MAVEN

Mars Atmosphere and Volatile Evolution

Artist's rendering of the MAVEN spacecraft bus

Names| MAVEN
Mission type| Mars orbiter
Operator| NASA
COSPAR ID| 2013-063A
SATCAT no.| 39378
Mission duration|

* Total:
* 2 years (planned)
* 12 years, 18 days (final)
* Science mission:
* 11 years, 75 days

Spacecraft properties
Manufacturer| Lockheed Martin
Launch mass| 2,454 kg (5,410 lb)[1]
Dry mass| 809 kg (1,784 lb)
Payload mass| 65 kg (143 lb)
Dimensions| 2.3 m × 2.3 m × 2 m
Power| 1,135 watts[2]
Start of mission
Launch date| 18 November 2013, 18:28:00 UTC
Rocket| Atlas V 401
AV-038
Launch site| Cape Canaveral, SLC-41
Contractor| United Launch Alliance
End of mission
Disposal| Spacecraft failure
Declared| 3 June 2026[3]
Last contact| 6 December 2025[4]
Decay date| ~2060s–2110s[5]
Orbital parameters
Reference system| Areocentric
Periareon altitude| 180 km (110 mi)
Apoareon altitude| 4,500 km (2,800 mi)
Inclination| 75°
Period| 3.6 hours
Mars orbiter
Orbital insertion| 22 September 2014, 02:24 UTC [6]
MSD 50025 08:07 AMT
| Instruments

STATIC| Suprathermal and Thermal Ion Composition
IUVS| Imaging Ultraviolet Spectrometer
NGIMS| Neutral Gas and Ion Mass Spectrometer
SWEA| Solar Wind Electron Analyzer
LPW| Langmuir Probe and Waves
SWIA| Solar Wind Ion Analyzer
SEP| Solar Energetic Particle
MAG| Magnetometer

Maven mission logo

Mars Exploration Program

<- Curiosity

InSight ->

MAVEN is an inactive NASA spacecraft orbiting Mars that studied the loss of its atmospheric gases to space, providing insight into the history of the planet's climate and water.[7] The name is an acronym for "Mars Atmosphere and Volatile Evolution" while the word maven also denotes "a person who has special knowledge or experience; an expert".[8][9]

MAVEN was launched on an Atlas V rocket from Cape Canaveral Air Force Station, Florida, on 18 November 2013 and went into orbit around Mars on 22 September 2014. It was the first NASA mission to study the Mars atmosphere. The probe analyzed the planet's upper atmosphere and ionosphere to examine how and at what rate the solar wind is stripping away volatile compounds.

On 6 December 2025, MAVEN lost contact with Earth.[4][10] Despite recovery efforts at NASA's Deep Space Network,[11][12] contact could not be re-established as of January 2026.[13][14] A review board was convened in February 2026, which determined the spacecraft was likely not recoverable.[15] On 3 June 2026, NASA officially declared the spacecraft dead and its mission concluded.[3][16]

The principal investigator for the mission was Shannon Curry at the University of California, Berkeley. She took over from Bruce Jakosky of the Laboratory for Atmospheric and Space Physics at the University of Colorado Boulder, who proposed and led the mission until 2021.[7] The project cost $582.5 million to build, launch, and operate through its two-year prime mission.[17]

## Contents

* 1 Pre-launch
* 2 Objectives
* 3 Timeline
* 4 Spacecraft overview
* 4.1 Relay telecommunications
* 4.2 Scientific instruments
* 5 Cost
* 6 Results
* 6.1 Atmospheric loss
* 6.2 Different types of aurora
* 6.3 Interaction with a comet
* 6.4 Detection of metal ions
* 6.5 Impacts on future exploration
* 7 Communication loss
* 8 Gallery
* 9 See also
* 10 References
* 11 External links

## Pre-launch

MAVEN – Atlas V launch (18 November 2013)

Proposed in 2006, it was the second mission of NASA's Mars Scout Program, which had previously yielded Phoenix. It was selected for development for flight in 2008.[18]

On 2 August 2013, the MAVEN spacecraft arrived at Kennedy Space Center, in Florida to begin launch preparations.[19]

On 1 October 2013, seven weeks before launch, a government shutdown caused suspension of work for two days and threatened to force a 26-month postponement of the mission. With the spacecraft nominally scheduled to launch on 18 November 2013, a delay beyond 7 December 2013 would have caused MAVEN to miss the launch window as Mars moved too far out of alignment with the Earth.[20]

However, two days later, on 3 October 2013, a public announcement was made that NASA had deemed the 2013 MAVEN launch so essential to ensuring future communication with NASA assets on Mars—the rovers Opportunity and Curiosity—that emergency funding was authorized to continue spacecraft processing in preparation for an on-time launch.[21]

## Objectives

File:Targeting Mars.ogv

The MAVEN mission's primary scientific objectives were:

* Measure the composition and structure of the upper atmosphere and ionosphere, and determine the processes responsible for controlling them
* Measure the rate of loss of gas from the top of the atmosphere to space, and determine the processes responsible for controlling them
* Determine properties and characteristics that allowed extrapolation backwards in time to determine the integrated loss to space over the four-billion-year history recorded in the geological record.[18]

By measuring the rate at which the atmosphere was escaping to space and gathering information about relevant processes, MAVEN helped infer how the planet's atmosphere and climate evolved over time. Features on Mars that resemble dry riverbeds and the discovery of minerals that form in the presence of water indicate that Mars once had a dense enough atmosphere and was warm enough for liquid water to flow on the surface. However, that thick atmosphere was somehow lost to space. Scientists suspect that over millions of years, Mars lost 99% of its atmosphere as the planet's core cooled and its magnetic field decayed, allowing the solar wind to sweep away most of the water and volatile compounds that the atmosphere once contained.[22]

## Timeline

MAVEN during testing

MAVEN launched from the Cape Canaveral Air Force Station (CCAFS) on 18 November 2013, using an Atlas V 401 launch vehicle.[23][24] It reached Mars on 22 September 2014, and was inserted into an elliptic orbit approximately 6,200 km (3,900 mi) by 150 km (93 mi) above the planet's surface.[24]

In October 2014, as the spacecraft was being fine-tuned to start its primary science mission, the comet Siding Spring was also performing a close flyby of Mars. The researchers had to maneuver the craft to mitigate harmful effects of the comet, but while doing so, were able to observe the comet and perform measurements on the composition of expelled gases and dust.[25]

On 16 November 2014, investigators completed MAVEN's commissioning activities and began its primary science mission, scheduled to last one year.[26] During that time, MAVEN had observed a nearby comet, measured how volatile gases are swept away by solar wind, and performed four "deep dips" down to the border of the upper and lower atmospheres to better characterize the planet's entire upper atmosphere.[27] In June 2015, the science phase was extended through September 2016, allowing MAVEN to observe the Martian atmosphere through the entirety of the planet's seasons.[28]

Artist's concept of the insertion of the MAVEN orbiter around the planet Mars (17 September 2014)

On 3 October 2016, MAVEN completed one full Martian year of scientific observations. It had been approved for an additional 2-year extended mission through September 2018. All spacecraft systems were still operating as expected.[29] In March 2017, MAVEN's investigators had to perform a previously unscheduled maneuver to avoid colliding with Phobos the following week.[30]

On 5 April 2019, the navigation team completed a two-month aerobraking maneuver to lower MAVEN's orbit and enable it to better serve as a communications relay for current landers as well as the rover Perseverance. This new elliptic orbit is approximately 4,500 km (2,800 mi) by 130 km (81 mi). With 6.6 orbits per Earth day, the lower orbit allows more frequent communication with rovers.[31]

On 31 August 2021, Shannon Curry became the Principal Investigator of the mission.[32] NASA became aware of failures in the MAVEN's inertia measurement units (IMU) in late 2021, necessary for the probe to maintain its orbit; having already moved from the main IMU to the backup one in 2017, they saw the backup ones showing signs of failure. In February 2022, both IMUs had appeared to have lost the ability to perform its measurement properly.

After doing a heartbeat termination to restore the use of the backup IMU, NASA engineers set to reprogram MAVEN to use an "all stellar" mode using star positions to maintain its altitude, eliminating the reliance on the IMUs. This was put into place in April 2022 and completed by May 28, 2022, but during this period, MAVEN could not be used for scientific observations or to relay communications to Earth from the rovers Curiosity and Perseverance and the Insight lander. Reduced communication was handled by other Mars orbiters.[33]

* Animation of MAVEN's trajectory around the Sun
MAVEN * Mars * Earth * Sun

* Animation of MAVEN's trajectory around Mars from September 22, 2014 to September 22, 2016
MAVEN * Mars

* MAVEN aerobraking to a lower orbit – in preparation for the Mars 2020 mission (February 2019)

## Spacecraft overview

MAVEN diagram:
Instruments: A: Suprathermal and Thermal Ion Composition (STATIC) B: Imaging Ultraviolet Spectrometer (IUVS) C: Neutral Gas and Ion Mass Spectrometer (NGIMS) D: Solar Wind Electron Analyzer (SWEA) E: Langmuir Probe and Waves (LPW) (x2) F: Extreme Ultraviolet Monitor (EUV) G: Solar Wind Ion Analyzer (SWIA) H: Solar Energetic Particle (SEP) (x2) I: Magnetometer (MAG) (x2)
Equipment: 1. Articulated Payload Platform (for instruments) 2. Fixed high-gain antenna 3. Reaction wheels 4. 1,640 kg hydrazine tank

MAVEN was built and tested by Lockheed Martin Space Systems. Its design is based on those of the Mars Reconnaissance Orbiter and 2001 Mars Odyssey. The orbiter has a cubical shape of about 2.3 m × 2.3 m × 2 m (7 ft 7 in × 7 ft 7 in × 6 ft 7 in) high,[34] with two solar arrays that hold the magnetometers on both ends. The total length is 11.4 m (37 ft).[35]

### Relay telecommunications

NASA's Jet Propulsion Laboratory provided an Electra ultra high frequency (UHF) relay radio payload which has a data return rate of up to 2048 kbit/s.[36] The highly elliptical orbit of the MAVEN spacecraft may limit its usefulness as a relay for operating landers on the surface, although the long view periods of MAVEN's orbit have afforded some of the largest relay data returns to date of any Mars orbiter.[37] During the mission's first year of operations at Mars—the primary science phase—MAVEN served as a backup relay orbiter. In the extended mission period of up to ten years, MAVEN will provide UHF relay service for present and future Mars rovers and landers.[28]

### Scientific instruments

The University of Colorado Boulder, University of California, Berkeley, and Goddard Space Flight Center each built a suite of instruments for the spacecraft, and they include:[38]

Built by the University of California, Berkeley Space Sciences Laboratory:

* Solar Wind Electron Analyzer (SWEA)[39] – measures solar wind and ionosphere electrons. The goals of SWEA with respect to MAVEN are to deduce magneto-plasma topology in and above the ionosphere, and to measure atmospheric electron impact ionization effects.[40]
* Solar Wind Ion Analyzer (SWIA)[41] – measures solar wind and magnetosheath ion density and velocity. The SWIA therefore characterizes the nature of solar wind interactions within the upper atmosphere.
* SupraThermal And Thermal Ion Composition (STATIC)[42] – measures thermal ions to moderate-energy escaping ions. This provides information on the current ion escape rates from the atmosphere and how rates change during various atmospheric events.
* Solar Energetic Particle (SEP)[43] – determines the impact of SEPs on the upper atmosphere. In context with the rest of this suite, it evaluates how SEP events affect upper atmospheric structure, temperature, dynamics and escape rates.

Built by the University of Colorado Boulder Laboratory for Atmospheric and Space Physics:

* Imaging Ultraviolet Spectrometer (IUVS)[44] – measures global characteristics of the upper atmosphere and ionosphere. The IUVS has separate far-UV and mid-UV channels, a high resolution mode to distinguish deuterium from hydrogen, optimization for airglow studies, and capabilities that allow complete mapping and nearly continuous operation.[45]
* Langmuir Probe and Waves (LPW)[46] – determines ionosphere properties and wave heating of escaping ions and solar extreme ultraviolet (EUV) input to atmosphere. This instrument provides better characterization of the basic state of the ionosphere and can evaluate the effects of the solar wind on the ionosphere.

Built by Goddard Space Flight Center:

* Magnetometer (MAG)[47] – measures interplanetary solar wind and ionosphere magnetic fields.
* Neutral Gas and Ion Mass Spectrometer (NGIMS)[48] – measures the composition and isotopes of neutral gases and ions. This instrument evaluates how the lower atmosphere can affect higher altitudes while also better characterizing the structure of the upper atmosphere from the homopause to the exobase.

SWEA, SWIA, STATIC, SEP, LPW, and MAG are part of the Particles and Fields instrument suite, IUVS is the Remote Sensing instrument suite, and NGIMS is its own eponymous suite.

## Cost

MAVEN Development and Prime Mission Costs

MAVEN cost US$582.5 million to build, launch, and operate for its prime mission, nearly US$100 million less than originally estimated.

Of this total, US$366.8 million was for development, US$187 million for launch services, and US$35 million was for the 2-year prime mission. On average, NASA spends US$20 million annually on MAVEN's extended operations.[17]

## Results

### Atmospheric loss

Mars loses water into its thin atmosphere by evaporation. There, solar radiation can split the water molecules into their components, hydrogen and oxygen. The hydrogen, as the lightest element, then tends to rise far up to the highest levels of the Martian atmosphere, where several processes can strip it away into space, to be forever lost to the planet. This loss was thought to proceed at a fairly constant rate, but MAVEN's observations of Mars's atmospheric hydrogen through a full Martian year (almost two Earth years) show that the escape rate is highest when Mars's orbit brings it closest to the Sun, and only one-tenth as great when it is at its farthest.[49]

On 5 November 2015, NASA announced that data from MAVEN shows that the deterioration of Mars's atmosphere increases significantly during solar storms. That loss of atmosphere to space likely played a key role in Mars's gradual shift from its carbon dioxide-dominated atmosphere—which had kept Mars relatively warm and allowed the planet to support liquid surface water—to the cold, arid planet seen today. This shift took place between about 4.2 and 3.7 billion years ago.[50] The atmospheric loss was especially notable during an interplanetary coronal mass ejection in March 2015.[51]

Mars – escaping atmosphere – carbon, oxygen, hydrogen (MAVEN – UV – 14 October 2014).[52]

### Different types of aurora

In 2014, MAVEN researchers detected widespread auroras throughout the planet, even close to the equator. Given the localized magnetic fields on Mars (as opposed to Earth's global magnetic field), auroras appear to form and distribute in different ways on Mars, creating what scientists call diffuse auroras. Researchers determined that the source of the particles causing the auroras were a huge surge of electrons originating from the Sun. These highly energetic particles were able to penetrate far deeper into Mars's atmosphere than they would have on Earth, creating auroras much closer to the surface of the planet (~60 km as opposed to 100–500 km on Earth).[53]

Scientists also discovered proton auroras, different from the so-called typical auroras which are produced by electrons. Proton auroras were previously only detected on Earth.[54]

### Interaction with a comet

The fortuitous arrival of MAVEN just before a flyby of the comet C/2013 A1 (Siding Spring) gave researchers a unique opportunity to observe both the comet itself as well as its interactions with the Martian atmosphere. The spacecraft's IUVS instrument detected intense ultraviolet emissions from magnesium and iron ions, a result from the comet's meteor shower, which were much stronger than anything ever detected on Earth.[55] The NGIMS instrument was able to directly sample dust from this Oort cloud comet, detecting at least eight different types of metal ions.[56]

### Detection of metal ions

In 2017, results were published detailing the detection of metal ions in Mars's ionosphere. This was the first time metal ions were detected in any planet's atmosphere other than Earth's. It was also noted that these ions behave and are distributed differently in the atmosphere of Mars given that the red planet has a much weaker magnetic field than our own.[57]

### Impacts on future exploration

In September 2017, NASA reported a temporary doubling of radiation levels on the surface of Mars, as well as an aurora 25 times brighter than any observed earlier. This occurred due to a massive, and unexpected, solar storm.[58] The observation provided insight into how changes in radiation levels might impact the planet's habitability, helping NASA researchers understand how to predict as well as mitigate effects on future human Mars explorers.

## Communication loss

NASA lost contact with MAVEN on 6 December 2025. The last telemetry was received on December 4, but a brief fragment of tracking data from December 6 was also transmitted, showing that spacecraft was rotating in an unexpected manner when it emerged from behind Mars and that its orbit may have changed.[59] NASA continued its attempts to recover the signal using antennas of the Deep Space Network as of March 2026.[11][12] The loss of MAVEN impacted its role as a communications relay for surface rovers Curiosity and Perseverance, with teams at NASA and ESA working on their remaining active orbiters (Mars Odyssey, MRO, and TGO) to ensure that communications between Earth and the rovers could continue.[60]

On 16 and 20 December, the Curiosity rover's Mastcam was used to image MAVEN's reference orbit; the spacecraft was not detected.[61] NASA had temporarily ceased all communication with Mars spacecraft during the solar conjunction between 29 December 2025 and 16 January 2026 and the possibility of recovering MAVEN afterwards had been deemed "very unlikely".[14] The National Science Foundation's Green Bank Observatory has also been involved to search for the spacecraft's signals.[12] An anomaly review board was convened in February 2026 to evaluate recovery efforts and determine whether the spacecraft would be recoverable.[62]

On 3 June 2026, NASA announced the mission had ended after the review determined the spacecraft was "not recoverable" and "no longer capable of performing its science and data relay mission."[3][16] According to their findings, MAVEN had entered into safe mode and was rotating at "an unusually high rate", causing the spacecraft's batteries to drain and putting it in an unrecoverable state. As of June 2026 a root cause was still being determined.[3]

MAVEN's project manager, Mike Moreau, stated that MAVEN could remain derelict in Mars orbit for the next 50 to 100 years before entering and burning up on the Martian atmosphere.[5]

## Gallery

* MAVEN's Electra UHF radio transceiver

* Solar Wind Electron Analyzer (SWEA) measures solar wind and ionosphere electrons.

* Magnetometer of MAVEN

* SEP instrument of MAVEN

## See also

* List of missions to Mars
* Mars Orbiter Mission

## References

1. ↑ "MAVEN". NASA's Solar System Exploration website. 4 December 2017. https://solarsystem.nasa.gov/missions/maven/in-depth/.
2. ↑ "The 2013 MAVEN Mission to Mars". NASA. 2013. http://mars.jpl.nasa.gov/files/resources/MAVENPresentation2013.pdf. This article incorporates text from this source, which is in the public domain.
3. ↑ 3.0 3.1 3.2 3.3 J. Taveau (2026-06-03). "NASA Says Farewell to MAVEN Mars Mission, Hosts Media Call Today" (Press release). NASA. Retrieved 2026-06-04. This article incorporates text from this source, which is in the public domain.
4. ↑ 4.0 4.1 "NASA Teams Work MAVEN Spacecraft Signal Loss". NASA. 2025-12-09. https://science.nasa.gov/blogs/maven/2025/12/09/nasa-teams-work-maven-spacecraft-signal-loss/. This article incorporates text from this source, which is in the public domain.
5. ↑ 5.0 5.1 "NASA's dead Mars orbiter MAVEN will crash into the Red Planet in the next 100 years. It's not the only probe in the Mars morgue". 2026-06-04. https://www.space.com/space-exploration/missions/nasas-dead-mars-orbiter-maven-will-crash-into-the-red-planet-in-the-next-100-years-its-not-the-only-probe-in-the-mars-morgue.
6. ↑ D. C. Brown; N. Neal-Jones; E. Zubritsky (2014-09-22). "NASA's Newest Mars Mission Spacecraft Enters Orbit around Red Planet". www.nasa.gov (Press release). NASA. Retrieved 2014-09-23. This article incorporates text from this source, which is in the public domain.
7. ↑ 7.0 7.1 "MAVEN Fact Sheet". https://mars.nasa.gov/files/mep/MAVEN-Fact-Sheet.pdf. This article incorporates text from this source, which is in the public domain.
8. ↑ @maven2mars. "Fittingly, from #Hebrew, via #Yiddish, a "maven" is a trusted expert who understands and seeks to pass knowledge on to others. #MAVEN #Mars". https://twitter.com/maven2mars/status/394917251918618624. Missing or empty `|date=` (help)
9. ↑ American Heritage Dictionary of the English Language (4th ed.). Boston: Houghton Mifflin. 2000. p. 1082. ISBN 0-395-82517-2. https://archive.org/details/americanheritage0000unse_a1o7/page/1082. Retrieved 7 March 2015. "A person who has special knowledge or experience; an expert."
10. ↑ "NASA loses contact with MAVEN Mars orbiter". 2025-12-10. https://spacenews.com/nasa-loses-contact-with-maven-mars-orbiter/.
11. ↑ 11.0 11.1 "NASA Continues MAVEN Spacecraft Recontact Efforts". NASA. 2025-12-15. https://science.nasa.gov/blogs/maven/2025/12/15/nasa-continues-maven-spacecraft-recontact-efforts/. This article incorporates text from this source, which is in the public domain.
12. ↑ 12.0 12.1 12.2 "NASA won't give up hope on silent MAVEN Mars probe: 'We're still looking for it'". 2026-03-20. https://www.space.com/space-exploration/launches-spacecraft/nasa-wont-give-up-hope-on-silent-maven-mars-probe-were-still-looking-for-it.
13. ↑ D. Chow (2026-01-03). "A NASA spacecraft orbiting Mars may be dead". NBC News. https://www.nbcnews.com/science/space/nasa-spacecraft-orbiting-mars-may-dead-rcna251379.
14. ↑ 14.0 14.1 "NASA pessimistic about odds of recovering MAVEN". 2026-01-14. https://spacenews.com/nasa-pessimistic-about-odds-of-recovering-maven/.
15. ↑ R. Speed (2026-01-27). "NASA begins formal anomaly review after MAVEN probe lost in space". The Register. https://www.theregister.com/2026/01/27/nasa_anomaly_review_maven/.
16. ↑ 16.0 16.1 M. Dunn (2026-06-03). "NASA declares its Mars Maven spacecraft dead after six months of silence". https://apnews.com/article/mars-maven-nasa-spacecraft-d4a6f6909076cb7dd7ac81862121e5e1.
17. ↑ 17.0 17.1 "The Planetary Exploration Budget Dataset". The Planetary Society. https://docs.google.com/spreadsheets/d/12frTU01gfT1CXGWFimN3whf4348F_r3XolTqBt02OyM/edit#gid=1774841387.
18. ↑ 18.0 18.1 B. M. Jakosky et al. (2015). "The Mars Atmosphere and Volatile Evolution (MAVEN) Mission". Space Science Reviews 195 (1–4): 3–48. doi:10.1007/s11214-015-0139-x. ISSN 0038-6308. Bibcode: 2015SSRv..195....3J.
19. ↑ D. C. Brown; N. Neal-Jones (2013-08-05). "NASA Begins Launch Preparations for Next Mars Mission" (Press release). NASA. Archived from the original on 2016-06-04. Retrieved 2013-08-06. This article incorporates text from this source, which is in the public domain.
20. ↑ Dreier, Casey (September 30, 2013). "A Government Shutdown Could Delay MAVEN's Launch to Mars". The Planetary Society. https://www.planetary.org/articles/20130930-a-government-shutdown-could-delay-maven.
21. ↑ Jakosky, Bruce (September 20, 2013). "MAVEN reactivation status update". Laboratory of Atmospheric and Space Physics. http://lasp.colorado.edu/home/maven/2013/10/03/maven-reactivation-status-update/.
22. ↑ "MAVEN Mission to Investigate How Sun Steals Martian Atmosphere". University of Colorado. 2010-10-05. https://lasp.colorado.edu/maven/2010/10/05/maven-mission-to-investigate-how-sun-steals-martian-atmosphere/.
23. ↑ "MAVEN PressKit". https://lasp.colorado.edu/home/maven/files/2011/02/MAVEN_PressKit_Final.pdf.
24. ↑ 24.0 24.1 "MAVEN Science Orbit". University of Colorado. https://lasp.colorado.edu/home/maven/science/science-orbit/.
25. ↑ "NASA's MAVEN Studies Passing Comet and Its Effects". NASA / JPL. 2014-10-19. https://www.jpl.nasa.gov/news/nasas-maven-studies-passing-comet-and-its-effects/. This article incorporates text from this source, which is in the public domain.
26. ↑ "MAVEN Completes Commissioning And Begins Its Primary Science Mission". University of Colorado. 2014-11-17. https://lasp.colorado.edu/maven/2014/11/17/maven-completes-commissioning-and-begins-its-primary-science-mission/.
27. ↑ "NASA's MAVEN Celebrates One Year at Mars". NASA. 2015-09-22. https://www.nasa.gov/missions/nasas-maven-celebrates-one-year-at-mars/. This article incorporates text from this source, which is in the public domain.
28. ↑ 28.0 28.1 "MAVEN FAQs". University of Colorado. https://lasp.colorado.edu/maven/about/faqs/.
29. ↑ "MAVEN Celebrates One Mars Year of Science". University of Colorado. 2016-10-03. https://lasp.colorado.edu/home/maven/2016/10/03/maven-celebrates-one-mars-year-of-science/.
30. ↑ "MAVEN Steers Clear of Mars Moon Phobos". 2 March 2017. https://lasp.colorado.edu/home/maven/2017/03/02/maven-steers-clear-of-mars-moon-phobos/.
31. ↑ "MAVEN Uses Red Planet's Atmosphere to Change Orbit". NASA. 2019-04-05. https://science.nasa.gov/missions/maven/nasas-maven-uses-red-planets-atmosphere-to-change-orbit/.
32. ↑ "NASA Mars Mission Begins a New Chapter of Science With a New Leader". NASA. 2021-09-09. https://www.nasa.gov/feature/goddard/2021/nasa-mars-mission-begins-a-new-chapter-of-science-with-a-new-leader.
33. ↑ "NASA's Mars MAVEN spacecraft spent 3 months on the brink of disaster". 2022-06-01. https://www.space.com/nasa-mars-spacecraft-maven-nearly-lost.
34. ↑ "Primary Structure for MAVEN Spacecraft". NASA. 2011-09-26. https://science.nasa.gov/resource/primary-structure-for-maven-spacecraft/. This article incorporates text from this source, which is in the public domain.
35. ↑ MAVEN – Facts This article incorporates text from this source, which is in the public domain.
36. ↑ C. D. Edwards; T. C. Jedrey; A. S. Devereaux (2003-09-29). "The Electra Proximity Link Payload for Mars Relay Telecommunications and Navigation". 54th International Astronautical Congress. Bremen, Germany. This article incorporates text from this source, which is in the public domain.
37. ↑ "Newest NASA Mars Orbiter Demonstrates Relay Prowess". NASA / JPL. 2014-11-10. https://www.jpl.nasa.gov/news/newest-nasa-mars-orbiter-demonstrates-relay-prowess/. This article incorporates text from this source, which is in the public domain.
38. ↑ "MAVEN – Instruments". University of Colorado Boulder. 2012. http://lasp.colorado.edu/home/maven/science/instrument-package/.
39. ↑ D. L. Mitchell et al. (2016). "Solar Wind Electron Analyzer for MAVEN". Space Science Reviews 200 (1): 495–528. doi:10.1007/s11214-015-0232-1. ISSN 1572-9672.
40. ↑ "Solar Wind Electron Analyzer (SWEA)". University of Colorado. https://lasp.colorado.edu/home/maven/science/instrument-package/swea/.
41. ↑ J. S. Halekas et al.. "Solar Wind Ion Analyzer for MAVEN". Space Science Reviews 195 (1): 125–151. doi:10.1007/s11214-013-0029-z. ISSN 1572-9672. Bibcode: 2015SSRv..195..125H.
42. ↑ J. P. McFadden et al. (2015). "SupraThermal and Thermal Ion Composition (STATIC) Instrument for MAVEN". Space Science Reviews 195 (1): 199–256. doi:10.1007/s11214-015-0175-6. ISSN 1572-9672.
43. ↑ D. E. Larson et al. (2015). "Solar Energetic Particle Investigation for MAVEN". Space Science Reviews 195 (1): 153–172. doi:10.1007/s11214-015-0218-z. ISSN 1572-9672.
44. ↑ W. E. McClintock et al. (2015). "Imaging Ultraviolet Spectrograph (IUVS) for MAVEN". Space Science Reviews 195 (1): 75–124. doi:10.1007/s11214-014-0098-7. ISSN 1572-9672.
45. ↑ "IUVS for MAVEN". https://lasp.colorado.edu/home/maven/science/instrument-package/iuvs/iuvs-imaging-highlights/.
46. ↑ L. Andersson et al. (2015). "Langmuir Probe and Waves (LPW) instrument for MAVEN". Space Science Reviews 195 (1): 173–198. doi:10.1007/s11214-015-0194-3. ISSN 1572-9672. Bibcode: 2015SSRv..195..173A.
47. ↑ J. E. P. Connerney et al. (2015). "MAVEN Magnetic Field Investigation". Space Science Reviews 195 (1): 257–291. doi:10.1007/s11214-015-0169-4. ISSN 1572-9672. Bibcode: 2015SSRv..195..257C.
48. ↑ P. R. Mahaffy et al. (2015). "Neutral Gas and Ion Mass Spectrometer for MAVEN". Space Science Reviews 195 (1): 49–73. doi:10.1007/s11214-014-0091-1. ISSN 1572-9672.
49. ↑ B. M. Jakosky et al. (2015). "Initial results from the MAVEN mission to Mars". Geophysical Research Letters 42 (21): 8791–8802. doi:10.1002/2015GL065271. ISSN 1944-8007. Bibcode: 2015GeoRL..42.8791J.
50. ↑ "NASA Mission Reveals Speed of Solar Wind Stripping Martian Atmosphere". www.nasa.gov (Press release). NASA. 2015-11-05. Retrieved 2015-11-06. This article incorporates text from this source, which is in the public domain.
51. ↑ B. M. Jakosky et al. (2015). "MAVEN observations of the response of Mars to an interplanetary coronal mass ejection". Science 350 (6261). doi:10.1126/science.aad0210. ISSN 0036-8075. PMID 26542576. Bibcode: 2015Sci...350.0210J.
52. ↑ N. Neal-Jones; B. Steigerwald; D. C. Brown; G. Webster (2014-10-14). "NASA Mission Provides Its First Look at Martian Upper Atmosphere". www.nasa.gov (Press release). NASA. Retrieved 2014-10-15. This article incorporates text from this source, which is in the public domain.
53. ↑ N. M. Schneider et al. (2015). "Discovery of diffuse aurora on Mars". Science 350 (6261). doi:10.1126/science.aad0313. ISSN 0036-8075. PMID 26542577. Bibcode: 2015Sci...350.0313S. https://orbi.uliege.be/bitstream/2268/180453/1/mop2015_Schneider.docx.
54. ↑ J. Deighan et al. (2018). "Discovery of a proton aurora at Mars". Nature 2 (10): 802–807. doi:10.1038/s41550-018-0538-5. ISSN 2397-3366. Bibcode: 2018NatAs...2..802D.
55. ↑ N. M. Schneider et al. (2015). "MAVEN IUVS observations of the aftermath of the Comet Siding Spring meteor shower on Mars". Geophysical Research Letters 42 (12): 4755–4761. doi:10.1002/2015GL063863. ISSN 1944-8007. Bibcode: 2015GeoRL..42.4755S.
56. ↑ M. Benna et al. (2015). "Metallic ions in the upper atmosphere of Mars from the passage of comet C/2013 A1 (Siding Spring)". Geophysical Research Letters 42 (12): 4670–4675. doi:10.1002/2015GL064159. ISSN 1944-8007. Bibcode: 2015GeoRL..42.4670B.
57. ↑ J. M. Grebowsky et al. (2017). "Unique, non-Earthlike, meteoritic ion behavior in upper atmosphere of Mars". Geophysical Research Letters 44 (7): 3066–3072. doi:10.1002/2017GL072635. ISSN 1944-8007. Bibcode: 2017GeoRL..44.3066G.
58. ↑ "Large solar storm sparks global aurora and doubles radiation levels on the martian surface". 2017-09-30. https://phys.org/news/2017-09-large-solar-storm-global-aurora.html.
59. ↑ "NASA's MAVEN spacecraft is still silent at Mars — and apparently is spinning, too". 2025-12-16. https://www.space.com/space-exploration/launches-spacecraft/nasas-maven-spacecraft-is-still-silent-at-mars-and-apparently-is-spinning-too.
60. ↑ "NASA loses contact with MAVEN, Perseverance continues roving around Jezero". 2025-12-21. https://www.nasaspaceflight.com/2025/12/maven-perseverance-update/.
61. ↑ "NASA Works MAVEN Spacecraft Issue Ahead of Solar Conjunction". NASA. 2025-12-23. https://science.nasa.gov/blogs/maven/2025/12/23/nasa-works-maven-spacecraft-issue-ahead-of-solar-conjunction/. This article incorporates text from this source, which is in the public domain.
62. ↑ R. Speed (2026-01-27). "NASA begins formal anomaly review after MAVEN probe lost in space". The Register. https://www.theregister.com/2026/01/27/nasa_anomaly_review_maven/.

## External links

| Wikimedia Commons has media related to MAVEN.

|

* MAVEN – NASA
* MAVEN – JPL
* MAVEN – University of Colorado Boulder
* Integration of MAVEN Propellant Tank – NASA
* SpaceflightNow MAVEN mission status center
* Released results from MAVEN

* v
* t
* e

Spacecraft missions to Mars

Active missions|

| Orbiters|

* 2001 Mars Odyssey
* Mars Express (MEX)
* Mars Reconnaissance Orbiter (MRO)
* Mangalyaan (MOM)
* MAVEN
* ExoMars Trace Gas Orbiter (TGO)

|

Landers|

* InSight

Rovers|

* Curiosity
* timeline

Past missions|

| Flybys|

* Mars 1†
* Mariner 4
* Zond 2†
* Mariner 6 and 7
* Mars 6
* Mars 7
* Rosetta
* Dawn
* Mars Cube One (MarCO)

|

Orbiters|

* Mars 2
* Mars 3
* Mariner 9
* Mars 4†
* Mars 5
* Viking program
* Viking 1
* Viking 2
* Phobos program
* Phobos 1†
* Phobos 2†
* Mars Observer†
* Mars Global Surveyor (MGS)
* Nozomi†
* Mars Climate Orbiter†

Landers|

* Mars 2†
* Mars 3†
* Mars 6†
* Mars 7†
* Viking 1
* Viking 2
* Mars Pathfinder
* Mars Polar Lander† / Deep Space 2†
* Beagle 2†
* Phoenix
* ExoMars Schiaparelli†

Rovers|

* Prop-M†
* Sojourner
* Spirit
* observations
* Opportunity
* timeline
* observations

Mars-crossing objects|

* Zond 3
* Elon Musk's Tesla Roadster

Failed launches|

* Mars 1M No.1
* 1M No.2
* 2MV-4 No.1
* 2MV-3 No.1
* Mariner 3
* Mars 2M No.521
* 2M No.522
* Mariner 8
* Mars 3MS No.170
* Mars 96
* Fobos-Grunt / Yinghuo-1

Future missions|

| Planned|

* Hope Mars Mission (2020)
* ExoMars (2020)
* Rosalind Franklin rover
* Kazachok lander
* Mars 2020 (2020)
* Mars Helicopter Scout
* HX-1 (2020)
* Mars Orbiter Mission 2 (2022 or 2023)
* Psyche (2022, flyby in 2023)
* Jupiter Icy Moons Explorer (JUICE) (2022, flyby in 2025)
* Tera-hertz Explorer (TEREX) (2022 lander, 2024 orbiter)
* SatRevolution (2022)
* Martian Moons Exploration (MMX) (2024)

|

Proposed|

* Biological Oxidant and Life Detection (BOLD)
* SpaceX base
* DePhine
* Icebreaker Life
* Mars Geyser Hopper
* Mars-Grunt
* Mars Micro Orbiter‎
* MELOS rover
* MetNet
* Next Mars Orbiter (NeMO)
* PADME
* Phootprint
* Sky-Sailor

Cancelled proposals|

* Aerial Regional-scale Environmental Survey (ARES)
* Astrobiology Field Laboratory
* Beagle 3
* Mars 4NM & 5NM
* Mars 5M (Mars-79)
* Mars-Aster
* Mars Astrobiology Explorer-Cacher (MAX-C)
* Mars One
* Mars Surveyor Lander
* Mars Telecommunications Orbiter
* NetLander
* Northern Light
* Red Dragon
* Sample Collection for Investigation of Mars (SCIM)
* Vesta
* Voyager Mars

Exploration of Mars|

| Concepts|

* Flyby
* Orbiter
* Landing
* Rover
* Sample return
* Human mission
* Permanent settlement
* Colonization
* Terraforming

|

Strategies|

* Mars Scout Program
* Mars Exploration Program
* Mars Exploration Joint Initiative
* Mars Next Generation

Advocacy|

* The Mars Project
* The Case for Mars
* Inspiration Mars
* Mars Institute
* Mars Society
* Mars race

Lists|

* List of missions to Mars
* List of Mars orbiters
* List of artificial objects on Mars

Missions are ordered by launch date. Sign † indicates failure en route or before intended mission data returned.

* v
* t
* e

21st-century space probes

Active space probes
(deep space missions)|

| Moon|

* ARTEMIS
* Chandrayaan-2
* Chang'e 3
* Chang'e 4 (Yutu-2)
* Lunar Reconnaissance Orbiter

|

Mars|

* ExoMars Trace Gas Orbiter

Venus|

* Akatsuki

Minor planet|

* Chang'e 2
* Hayabusa2 / MINERVA-II
* New Horizons
* OSIRIS-REx

Solar science|

* ACE
* DSCOVR
* Parker Solar Probe
* SOHO
* STEREO
* Wind

Others|

* BepiColombo
* Gaia
* Juno
* THEMIS
* Voyager 1
* Voyager 2

Completed after 2000
(by termination date)|

| 2000s|

* 2001
* NEAR Shoemaker
* Deep Space 1
* 2003
* Pioneer 10
* Galileo
* Nozomi
* 2004
* Genesis
* 2005
* Huygens
* 2006
* Mars Global Surveyor
* 2008
* Phoenix
* 2009
* Chang'e 1
* Ulysses
* Chandrayaan-1
* SELENE
* LCROSS

|

2010s|

* 2010
* Hayabusa
* MER Spirit
* 2011
* Stardust
* 2012
* GRAIL
* 2013
* Deep Impact
* 2014
* LADEE
* Venus Express
* Chang'e 5-T1
* 2015
* MESSENGER
* PROCYON
* IKAROS
* 2016
* Rosetta / Philae
* Yutu
* ExoMars Schiaparelli
* 2017
* LISA Pathfinder
* Cassini
* 2018
* MASCOT
* Dawn
* Longjiang-1
* 2019
* MarCO
* MER Opportunity
* Beresheet
* Longjiang-2
* Vikram / Pragyan

* List of Solar System probes
* List of lunar probes
* List of space telescopes

* v
* t
* e

NASA

Policy and history|

| History|

* NACA (1915)
* National Aeronautics and Space Act (1958)
* Space Task Group (1958)
* Paine (1986)
* Rogers (1986)
* Ride (1987)
* Space Exploration Initiative (1989)
* Augustine (1990)
* U.S. National Space Policy (1996)
* CFUSAI (2002)
* CAIB (2003)
* Vision for Space Exploration (2004)
* Aldridge (2004)
* Augustine (2009)

|

General|

* Space Race
* Administrator and Deputy Administrator
* Chief Scientist
* Astronaut Corps
* Ranks and positions
* Chief
* Budget
* Spin-off technologies
* NASA TV
* NASA Social
* Launch Services Program
* Mercury Control Center
* Kennedy Space Center
* Vehicle Assembly Building
* Launch Complex 39
* Launch Control Center
* Operations and Checkout Building
* Johnson Space Center
* Mission Control
* Lunar Sample Laboratory

Robotic programs|

| Past|

* Hitchhiker
* Mariner
* Mariner Mark II
* MESUR
* Mars Surveyor '98
* New Millennium
* Lunar Orbiter
* Pioneer
* Planetary Observer
* Ranger
* Surveyor
* Viking
* Project Prometheus
* Mars Scout
* Mars Exploration Rover

|

Current|

* Living With a Star
* Lunar Precursor Robotic Program
* Earth Observing System
* Great Observatories program
* Explorer
* Small explorer
* Voyager
* Discovery
* New Frontiers
* Solar Terrestrial Probes
* Commercial Lunar Payload Services

Human spaceflight
programs|

| Past|

* X-15 (suborbital)
* Mercury
* Gemini
* Apollo
* Apollo–Soyuz Test Project (with the Soviet space program)
* Skylab
* Space Shuttle
* Shuttle–Mir (with Roscosmos State Corporation)
* Constellation

|

Current|

* International Space Station
* Commercial Orbital Transportation Services
* Commercial Crew Development
* Orion
* Artemis
* Lunar Gateway

Individual featured
missions
(human and robotic)|

| Past|

* COBE
* Mercury 3
* Mercury-Atlas 6
* Magellan
* Pioneer 10
* Pioneer 11
* Galileo
* GALEX
* GRAIL
* WMAP
* Space Shuttle
* Sojourner rover
* Spirit rover
* LADEE
* MESSENGER
* Aquarius
* Cassini
* Dawn
* Kepler space telescope
* Opportunity rover
* RHESSI
* observed

|

Currently
operating|

* Mars Reconnaissance Orbiter
* 2001 Mars Odyssey
* New Horizons
* International Space Station
* Hubble Space Telescope
* Spitzer
* Swift
* THEMIS
* Mars Exploration Rover
* Curiosity rover
* timeline
* InSight
* GOES 14
* Lunar Reconnaissance Orbiter
* GOES 15
* Van Allen Probes
* Solar Dynamics Observatory
* Juno
* Mars Science Laboratory
* timeline
* NuSTAR
* Voyager 1
* Voyager 2
* WISE
* MAVEN
* MMS
* OSIRIS-REx
* Transiting Exoplanet Survey Satellite

Future|

* Joint Polar Satellite System
* James Webb Space Telescope
* Wide Field Infrared Survey Telescope
* Mars 2020
* NISAR
* Europa Clipper

Communications
and navigation|

* Near Earth Network
* Space Network
* Deep Space Network (Goldstone
* Madrid
* Canberra
* Space Flight Operations Facility)
* Deep Space Atomic Clock

NASA lists|

* Astronauts
* by name
* by year
* Gemini astronauts
* Apollo astronauts
* List of NASA aircraft
* List of NASA missions
* uncrewed missions
* List of NASA contractors
* List of United States rockets
* List of NASA cancellations
* List of Space Shuttle missions
* crews
* List of NASA cameras on spacecraft

NASA images
and artwork|

* Earthrise
* The Blue Marble
* Family Portrait
* Pale Blue Dot
* Pillars of Creation
* Mystic Mountain
* Solar System Family Portrait
* The Day the Earth Smiled
* Fallen Astronaut
* Lunar plaques
* Pioneer plaques
* Voyager Golden Record
* Apollo 11 goodwill messages
* NASA insignia
* Gemini and Apollo medallions
* Mission patches

Related|

* Apollo 15 postal covers incident
* Space Mirror Memorial
* The Astronaut Monument
* U.S. Astronaut Hall of Fame
* Space program on U.S. stamps
* Apollo 17 Moon mice
* Other primates in space
* NASA spinoff technologies

* Category

* v
* t
* e

Orbital launches in 2013

January|

Kosmos 2482 * Kosmos 2483 * Kosmos 2484 – JSE Reda 4 * Jissho Eisei – STSAT-2C – TDRS-11

February|

Intelsat 27 – Globalstar M078, M087, M093, M094, M095, M096 – Azerspace-1/Africasat-1a * Amazonas 3 – Progress M-18M – Landsat 8 – SARAL * Sapphire * NEOSSat * UniBRITE-1 * TUGSAT-1 * AAUSAT3 * STRaND-1

March|

SpaceX CRS-2 – USA-241 – Satmex 8 – Soyuz TMA-08M

April|

Anik G1 – Bion-M No.1 (Aist 2 * BeeSat-2 * BeeSat-3 * SOMP * Dove-2 * OSSI-1) – Cygnus Mass Simulator * Dove 1 * Alexander * Graham * Bell – Progress M-19M – Gaofen 1 * TurkSat-3USat * NEE-01 Pegaso * CubeBug-1 – Kosmos 2485

May|

Zhongxing 11 – PROBA-V * VNREDSat-1 * ESTCube-1 – Eutelsat 3D – USA-242 – USA-243 – Soyuz TMA-09M

June|

SES-6 – Albert Einstein ATV – Kosmos 2486 – Shenzhou 10 – Resurs-P No.1 – O3b × 4 (PFM, FM2, FM4, FM5) – Kosmos 2487 – IRIS

July|

IRNSS-1A – Uragan-M 48, 49, 50 – Shijian XI-05 – MUOS-2 – Shijian 15 * Shiyan 7 * Chuangxin 3 – Inmarsat-4A F4 * INSAT-3D – Progress M-20M

August|

Kounotori 4 (TechEdSat-3 * ArduSat-1 * ArduSat-X * PicoDragon) – USA-244 – Arirang-5 – USA-245 – Eutelsat 25B / Es'hail 1 * GSAT-7 / INSAT-4F – Amos-4

September|

Yaogan 17 A, B, C – LADEE – Gonets-M No.5 * Gonets-M No.6 * Gonets-M No.7 – Hisaki – USA-246 – Cygnus Orb-D1 – Fengyun III-03 – Kuaizhou-1 – Soyuz TMA-10M – CASSIOPE * CUSat * POPACS 1, 2, 3 * DANDE – Astra 2E

October|

Shijian 16 – Sirius FM-6 – Yaogan 18

November|

Mars Orbiter Mission – Soyuz TMA-11M – Globus-1M No.13L – MAVEN – ORS-3 * STPSat-3 * Black Knight 1 * CAPE-2 * ChargerSat-1 * COPPER * DragonSat-1 * Firefly * Ho'oponopono-2 * Horus * KySat-2 * NPS-SCAT * ORSES * ORS Tech 1, 2 * PhoneSat 2.4 * Prometheus × 8 * SENSE A, B * SwampSat * TJ3Sat * Trailblazer-1 * Vermont Lunar CubeSat – Yaogan 19 – DubaiSat-2 * STSAT-3 * SkySat-1 * UniSat-5 (Dove 4 * ICube-1 * HumSat-D * PUCP-Sat 1 (Pocket-PUCP) * BeakerSat-1 * $50SAT * QBScout-1 * WREN) * AprizeSat 7, 8 * Lem * WNISat-1 * GOMX-1 * CubeBug-2 * Delfi-n3Xt * Dove 3 * First-MOVE * FUNcube-1 * HINCube-1 * KHUSat-1 * KHUSat-2 * NEE-02 Krysaor * OPTOS * Triton 1 * UWE-3 * VELOX-P2 * ZACUBE-1 * BPA-3 – Swarm A, B, C – Shiyan Weixing 5 – Progress M-21M

December|

Chang'e 3 (Yutu) – SES-8 – USA-247 * ALICE * AeroCube 5A, 5B * CUNYSAT-1 * FIREBIRD A, B * IPEX * M-Cubed-2 * SMDC-ONE 2.3, 2.4 * SNaP * TacSat-6 – Inmarsat-5 F1 – CBERS-3 – Gaia – Túpac Katari 1 – Kosmos 2488 * Kosmos 2489 * Kosmos 2490 – Ekspress AM5 – Aist 1 * SKRL-756 1, 2

Launches are separated by dashes ( – ), payloads by dots ( * ). Crewed flights are bolded. Launch failures are in italics. Payloads deployed from other spacecraft are (enclosed in brackets).

* v
* t
* e

2013 in space

* « 2012

2014 »

Launches|

| Space probes|

* LADEE
* Mars Orbiter Mission
* MAVEN
* Chang'e 3
* Yutu

|

Space observatories|

* IRIS
* Hisaki
* Gaia

Impact events|

* Chelyabinsk meteor
* Chelyabinsk meteorite

Novae|

* Nova Centauri 2013
* V339 Delphini

Comets|

* C/2011 L4 (PANSTARRS)
* C/2012 F6 (Lemmon)
* C/2012 K1 (PANSTARRS)
* C/2012 S1 (ISON)
* C/2013 A1 (Siding Spring)
* P/2013 P5 (PANSTARRS)
* C/2013 R1 (Lovejoy)

NEOs|

* Asteroid close approaches
* (7888) 1993 UC
* (52760) 1998 ML14
* (285263) 1998 QE2
* (163364) 2002 OD20
* (277475) 2005 WK4
* 2006 BL8
* (471240) 2011 BT15
* 2012 YQ1
* 2013 EC
* 2013 ET
* (511002) 2013 MZ5
* 2013 PJ10
* 2013 TV135
* 2013 XY8
* 2013 YP139
* 367943 Duende
* 3361 Orpheus

Exoplanets|

* DENIS-P J082303.1−491201 b
* Gliese 504 b
* Gliese 667 Cd
* Gliese 667 Ce
* Gliese 667 Cf
* Gliese 667 Cg
* Gliese 667 Ch
* HD 106906 b
* HD 95086 b
* Kepler-37b
* Kepler-37c
* Kepler-37d
* Kepler-61b
* Kepler-62b
* Kepler-62c
* Kepler-62d
* Kepler-62e
* Kepler-62f
* Kepler-65
* Kepler-66
* Kepler-67
* Kepler-68b
* Kepler-68c
* Kepler-68d
* Kepler-69b
* Kepler-69c
* Kepler-76b
* Kepler-78b
* Kepler-87c
* PSO J318.5-22
* ROXs 42Bb

Miscellaneous|

* GRB 130427A
* Hercules–Corona Borealis Great Wall
* Herschel Space Observatory (end of mission)
* The Day the Earth Smiled

* Category:2012 in space — Category:2013 in space — Category:2014 in space

* v
* t
* e

2014 in space

* « 2013

2015 »

Space probes launches|

* Chang'e 5-T1 (Moon mission)
* Hayabusa2 / PROCYON (asteroid mission)

Impact events|

* 2014 AA impact
* 2014 Ontario fireball

Supernovae|

* SN 2014J

Notable comets|

* C/2012 K1 (PANSTARRS)
* C/2013 A1 (Siding Spring) (Mars close approach)
* C/2013 R1 (Lovejoy)
* C/2013 V5 (Oukaimeden)
* C/2014 E2 (Jacques)
* C/2014 Q2 (Lovejoy)

NEOs|

* Asteroid close approaches
* 2000 EM26
* (163132) 2002 CU11
* (388188) 2006 DP14
* 2007 VK184
* (410777) 2009 FD
* 2009 RR
* 2009 WM1
* 2014 AF5
* 2014 DX110
* 2014 EC
* 2014 HQ124
* 2014 LY21
* 2014 OO6
* 2014 RC
* 2014 SC324
* 2014 XL7

Exoplanets|

* 51 Eridani b
* Gliese 15 Ab
* Gliese 180 c
* Gliese 682 c
* Gliese 832 c
* HIP 116454 b
* Kapteyn b
* Kepler-186f
* Kepler-296e
* Kepler-296f
* Kepler-298d
* Kepler-419b
* Kepler-419c
* Kepler-421b
* GU Piscium b
* WASP-104b

Discoveries|

* Rings of Chariklo
* 2012 VP113
* 2013 FY27
* C/2014 E2 (Jacques)
* 2014 OL339 (quasi-satellite of Earth)

Space exploration|

* MAVEN (Mars orbit injection)
* Mars Orbiter Mission (Mars orbit injection)
* Venus Express (Venus mission ends)
* Dawn (approaches Ceres)
* Rosetta/Philae (orbits/landing 67P)

* Category:2013 in space — Category:2014 in space — Category:2015 in space

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