A Mars rover has discovered strange, bleached rocks that suggest Mars may have once been wet and warm. Researchers at Purdue ...

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for ...

Scientists have created the most detailed map of Mars’ ancient river systems, pinpointing 16 major basins that may have once ...

NASA's Perseverance rover found kaolinite clay in Mars' Jezero Crater, proving ancient heavy rainfall and tropical-like ...

Are we alone in the universe? This must be the deepest question in human history. Since its creation, NASA and other space ...

Eight "skylights" may be entrances to underground spaces where evidence of ancient microbial organisms could be found. The ...

New research reveals that ancient Mars once hosted vast river drainage systems comparable in scale to some of Earth’s major ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

The Perseverance rover's discovery of a potential biosignature found on a sedimentary rock on Mars is an exciting development in our search for life elsewhere in the universe, but how does it rank ...

The search for life on Mars dates back about five decades, and a Sept. 10 announcement marks perhaps the most dramatic advancement yet. The news: NASA's Perseverance rover had found potential signs of ...

Over four years since it landed on Mars, NASA's Perseverance Rover might have made serious headway in its mission to find signs of ancient microbial life on the planet. Last July, the autonomous ...

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...