Scientists believe they found fresh proof of an ancient ocean on Mars in the form of a “bathtub ring” it left after it dried up billions of years ago.

Hundreds of thousands of dark streaks are crawling down Martian hillsides, vanishing, and reappearing with the seasons. Two ...

NASA’s Perseverance rover has spotted a rock so intriguing that the public has voted it “ Image of the Week .” A bizarre ...

Drone-mounted radar could help scientists locate accessible water ice on Mars, improving future missions and the search for ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars, our neighboring red planet, possesses some of the most extreme topographical features within our solar system. Its colossal ...

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

NASA’s long search for liquid water on Mars has produced its most significant result yet: evidence of vast reservoirs buried deep in fractured rock beneath the planet’s surface. The finding, drawn ...