In December 2022, NASA's MAVEN (Mars Atmosphere and Volatile EvolutioN) mission observed the dramatic and unexpected "disappearance" of a stream of charged particles constantly emanating off the sun, known as the solar wind. ...
Astronomy
Dec 11, 2023
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(PhysOrg.com) -- NASA this week gave the green light to a mission to Mars that will seek to understand why and how the red planet lost its atmosphere 3-4 billion years ago.
Space Exploration
Oct 7, 2010
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NASA's extensive fleet of science assets, particularly those orbiting and roving Mars, have front row seats to image and study a once-in-a-lifetime comet flyby on Sunday, Oct. 19.
Space Exploration
Oct 9, 2014
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After several weather delays, NASA will try to launch a "flying saucer" into Earth's atmosphere Saturday to test technology that could be used to land on Mars.
Space Exploration
Jun 28, 2014
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Heavy rain on Mars reshaped the planet's impact craters and carved out river-like channels in its surface billions of years ago, according to a new study published in Icarus. In the paper, researchers from the Smithsonian ...
Space Exploration
May 16, 2017
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NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) mission has reached a new milestone. Lockheed Martin has completed building the primary structure of the MAVEN spacecraft at its Space Systems Company facility near Denver.
Space Exploration
Sep 26, 2011
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(PhysOrg.com) -- Rocks on Mars dug from far underground by crater-blasting impacts are providing glimpses of one possible way Mars' atmosphere has become much less dense than it used to be.
Space Exploration
Mar 9, 2011
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The concrete-floored room looks, at first glance, like little more than a garage. There is a red tool chest, its drawers labeled: "Hacksaws." "Allen wrenches." There are stepladders and vise grips. There is also, at one end ...
Space Exploration
Dec 27, 2012
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If planets had personalities, Mars would be a rock star according to recent preliminary results from NASA's MAVEN spacecraft. Mars sports a "Mohawk" of escaping atmospheric particles at its poles, "wears" a layer of metal ...
Space Exploration
Jun 22, 2015
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Megaripples, intermediate-scale bedforms caused by the action of the wind, have been studied extensively and thought to be largely inactive relics of past climates, save for a few exceptions. A new paper by Planetary Science ...
Planetary Sciences
Jan 12, 2022
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