Water on Mars

NASA's Mars rover, Curiosity, is pictured in this February 3, 2013 handout self-portrait.

The Curiosity rover uncovers evidence that Mars once had a massive lake

Science

The Curiosity rover is currently roaming a 96-mile crater on the surface Mars, and the evidence it has collected suggests that the crater was once home to a huge lake. And NASA scientists say this information is unlike any they’ve seen before.

NASA: Liquid water may flow on Mars

Environment
The World

NASA: liquid water may flow on Mars

Environment

Water on Mars?

The World

Phoenix lander on Mars

Environment