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

Mars, once a much wetter and more dynamic planet, is now a dry and inhospitable desert. The mystery of how the red planet lost its water has fascinated scientists for decades. A groundbreaking study ...

In 2023, NASA's Curiosity rover found opal on Mars. Now Perseverance has added some new gems to the list.

"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity ...

Seven of the organic molecules were found for the first time ever on the Red Planet, including compounds that are chemical ...

Mars may have once had an ocean so vast that it covered one-third of the planet before evaporating billions of years ago and ...

New research suggests an ancient ocean may have covered one-third of Mars, supported by elevation data, sediments, and rover findings.

The wide strip of land in Utopia Planitia imaged by Mars Express. The dark volcanic material is on the right, while grabens ...

The Curiosity rover conducted a first-of-its kind experiment on Mars, detecting organic molecules that have never been ...

A massive underground lake has been detected for the first time on Mars, raising the possibility that more water -- and maybe even life -- exists there, international astronomers said Wednesday.