What happened to Mars? A planetary mystery

Billions of years ago when the planets of our solar system were still young, Mars was a very different world. Liquid water flowed in long rivers that emptied into lakes and shallow seas. A thick atmosphere blanketed the ...

NASA to probe why Mars lost its atmosphere

NASA said Monday it is on track to launch its Maven probe to Mars next month to find out why the Red Planet lost much of its atmosphere.

NASA's MAVEN observes the disappearing solar wind

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. ...

MAVEN selfie marks four years in orbit around Mars

Today, NASA's Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft celebrates four years in orbit studying the upper atmosphere of the Red Planet and how it interacts with the sun and the solar wind. To mark the occasion, ...

MAVEN spacecraft gears up to observe global dust storm on Mars

NASA's Mars Atmosphere and Volatile EvolutioN Mission (MAVEN) orbiter will have a front-row seat to watch a marvelous dusty spectacle in late 2016. The spacecraft, nearing its second anniversary in Martian orbit, has already ...

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