Roberto Orosei and colleagues authored a paper on the discover of a massive body of liquid water underneath ice on Mars that ...

There is a lot of evidence from orbiting satellites and surface rovers indicating that liquid water was present long ago on the surface of Mars in the form of ponds, lakes, and rivers. But the idea ...

Scientists edge closer to answering Mars’ biggest question: Did life ever exist on the red planet? Here's the latest from two new finds.