Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the landscape. Mars is often portrayed as a dry, empty world, but the planet is ...

Learn more about the hunt for bacteria on Mars and how astronauts will need to make sure they aren't bringing any dormant ...

Advances in synthetic biology, planetary engineering, and ultra-low-cost launch systems have dramatically altered how researchers view Mars terraforming. Once seen as an impossible sci-fi fantasy, ...

New evidence of ancient rivers suggests Mars may have been a "blue planet," thanks to an ocean spanning its entire northern ...

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

A study by scientists at Penn State and NASA shows that intact biomolecules from dormant microbes break down much more slowly ...

The Curiosity Mars rover photographed more rocks that are shaped like coral on the red planet's surface. Researchers said the rocks were evidence that at one point water was on Mars. The Curiosity ...

The thin air of Mars has long been treated as a problem to be solved, a hostile mix of carbon dioxide and dust that stands ...

WASHINGTON (Reuters) -Two decades of observations by a pair of orbiting spacecraft have enabled scientists to track the whirlwinds called "dust devils" that regularly pirouette across the surface of ...