When NASA's Mars rovers found manganese oxides in rocks in the Gale and Endeavor craters on Mars in 2014, the discovery sparked some scientists to suggest that the red planet might have once had more oxygen in its atmosphere ...
Planetary Sciences
Dec 22, 2022
0
387
For the first time in its eight years orbiting Mars, NASA's MAVEN mission witnessed two different types of ultraviolet aurorae simultaneously, the result of solar storms that began on Aug. 27.
Planetary Sciences
Nov 10, 2022
2
44
If there ever was life on Mars—and that's a huge "if"—conditions during the planet's infancy most likely would have supported it, according to a study led by University of Arizona researchers.
Astronomy
Oct 16, 2022
1
28
NASA's InSight mission, which is expected to end in the near future, saw a recent drop in power generated by its solar panels as a continent-size dust storm swirls over Mars' southern hemisphere. First observed on Sept. 21, ...
Planetary Sciences
Oct 7, 2022
6
171
New research published in Earth and Planetary Science Letters suggests that Mars was born wet, with a dense atmosphere allowing warm-to-hot oceans for millions of years. To reach this conclusion, researchers developed the ...
Astrobiology
Sep 21, 2022
4
1080
NASA's MAVEN (Mars Atmosphere and Volatile Evolution) mission and the United Arab Emirates' Emirates Mars Mission (EMM) have released joint observations of dynamic proton aurora events at Mars. Remote auroral observations ...
Space Exploration
Aug 31, 2022
0
144
NASA's Mars Atmosphere and Volatile EvolutioN, or MAVEN, mission returned to normal science and relay operations on May 28, 2022, after recovering from an extended safe mode event. The spacecraft encountered problems in February ...
Space Exploration
Jun 2, 2022
0
33
A large team of researchers affiliated with multiple institutions in the U.S., Spain, France and Finland has found that frequent dust devils and daytime upslope winds are the reason for Mars's constant atmospheric haze. In ...
NASA's Ingenuity Mars Helicopter recently surveyed an intriguing ridgeline near the ancient river delta in Jezero Crater. The images—captured on April 23, during the tiny helicopter's 27th flight—were taken at the request ...
Planetary Sciences
May 3, 2022
0
283
Even in our cosmic backyard, the solar system, many questions remain open. On Venus there are formations similar to volcanoes, but it is not known if they are active. The surface of Mars suggests that there was once a vast ...
Astrobiology
Apr 1, 2022
1
332
