Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

A new analysis of chemical signatures measured by NASA's Curiosity Rover gives a peek at Mars's past to a time some 3.7 ...

NASA has just shared one of its most impressive Mars panoramas to date. Captured by its trusty Curiosity rover, the panorama (below) of the Martian landscape comprises 44 images taken by the rover’s ...

Thirteen years into its mission, NASA's Curiosity rover is still uncovering Martian mysteries — and learning to do more with less. Now, thanks to recent software upgrades, the rover has gained new ...

NASA's Curiosity rover has made its first measurements of the radiation environment at Mars' surface, gathering information that could help prepare future astronauts for stays on the Red Planet.

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 ...

"We have found a habitable environment," said John Grotzinger, project scientist for the Curiosity mission. "The water that was here was so benign and supportive of life that if a ...

After NASA announced it had found potential evidence of ancient microbial life on Mars, imagery supposedly released by the US ...

HOUSTON -- Even NASA's Curiosity Mars rover is into selfies. The space agency released a photo combining 57 images taken January 19 at Namib Dune, where the rover is scooping sand for lab analysis.

At this site in Mars' southern hemisphere, an ancient river once flowed into a lake. The area abounds with phyllosilicates, clay-like minerals that preserve a record of long-term contact with water.