"Mars has no global magnetic field so the charged particles ... as a soft green glow covering more or less the whole sky," Knutsen added. "Dust in the lower part of the atmosphere would obscure some ...

The MAVEN team studied how this “global” dust storm affected Mars’ upper atmosphere to understand how these events affect how the escape of water to space. It confirmed that heating from ...

"Mars has no global magnetic field so the charged ... covering more or less the whole sky," Knutsen added. "Dust in the lower part of the atmosphere would obscure some of the light towards the ...

The streaks are called slope streaks and recurrent slope lineae (RSL), and they would suggest that there is water activity on Mars. Now it seems more plausible that they were formed by thin layers of ...

Mars Odyssey orbiter has captured a breathtaking new view of the massive volcano Arsia Mons rising through morning ice clouds ...

NASA’s MAVEN spacecraft has observed atmospheric sputtering on Mars for the first time, confirming how solar wind stripped the Red Planet’s thick atmosphere and transformed its climate.

One of Mars' tallest volcanoes peeps over a thick layer of clouds, in Odyssey’s first picture of Arsia Mons peering over the ...

N ASA's Mars Odyssey orbiter has captured a stunning image of the Arsia Mons volcano, its summit peeking above the Martian ...

a Martian dust devil. Resembling a small pale puff, the twirling dust devil popped up 3 miles (5 kilometers) behind the rover during this month’s photo shoot. Released Wednesday, the selfie is a ...