Add Yahoo as a preferred source to see more of our stories on Google. A surprise discovery in Gale Crater is the component that was missing in the puzzle of Mars's climate history. There, embedded in ...

Twelve years into its climb up a Martian mountain, NASA’s Curiosity rover has hit a geochemical jackpot. A thin band of ...

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

NASA's Curiosity rover has captured the first close-up images of a part of Mars that scientists say provide evidence of how water once flowed on the red planet. There were once rivers, lakes and ...

Mars has not always been a seemingly lifeless red desert. We have evidence that billions of years ago it had a warm, habitable climate with liquid water in lakes and flowing rivers, which is somewhat ...