Curiosity has detected a surprising variety of organic molecules on Mars, including compounds tied to the chemistry of life.

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

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

Recently, NASA revealed exciting details of new findings from Mars. Scientists have discovered tiny patterns of unusual minerals in the clay-rich rocks on the edge of Jezero Crater—an ancient lake ...

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink where the story of life really began. Instead of a warm little pond on early ...

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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, ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

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A former chief historian of NASA reflects on the history and future of Mars exploration Roger D. Launius The original 'Face on Mars' image taken by NASA's Viking 1 orbiter that resembled a human face ...

Life on Mars sounds like something from a "Doctor Who" episode. But a study published in the International Journal of Astrobiology challenges the science fiction notion of that idea. The research ...