Mars Odyssey orbiter has delivered a stunning new panorama of the Red Planet, revealing the colossal Arsia Mons volcano ...

NASA’s Mars Odyssey captured a stunning sunrise view of Arsia Mons, revealing water-ice clouds and offering insights into ...

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

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

Called methanogens, Mars’s microbes would have inhaled atmospheric hydrogen and carbon dioxide and exhaled methane gas—and in a twist, they may have turned out to be their own worst enemy.

See our Citation Policies for more details about how to structure your data citation. GLAH02 Level-1A atmospheric data include the normalized relative backscatter for the 532 nm and 1064 nm channels, ...

It happens when ions are accelerated by the electric field of the Solar wind into the atmosphere of a body – like Mars – that is unprotected by a global magnetic field. A diagram illustrating the ...

The D/H ratio in this similar to 3-billion-year-old mudstone, which is half that of the present martian atmosphere but substantially higher than that expected in very early Mars, indicates an extended ...

The Sample Analysis at Mars (SAM) instrument onboard ... suggesting an unknown atmospheric or surface process at work. The O-2 measurements are compared to several parameters, including dust optical ...

It happens when ions are accelerated by the electric field of the Solar wind into the atmosphere of a body – like Mars – that is unprotected by a global magnetic field. The effect is a little ...

The picture marks 1,500 Martian days of exploration. A Martian dust devil appears in the background. The rover is near Jezero Crater at Witch Hazel Hill. The selfie shows the rover's latest sample ...