The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008. When you purchase through links on our site, we may earn an affiliate commission.

NASA has discovered strong evidence for ancient life on Mars, a potentially groundbreaking finding for humanity. In this video, Kobi Brown visits the NASA JPL team to discuss the search for alien life ...

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 Curiosity Mars rover has discovered never-before-seen organic compounds that may indicate there was once life on the red planet. The nuclear-powered robot uncovered a diverse mix of organic ...

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ones for the first time. Researchers mapped 16 massive drainage basins ...

Mars may be hostile, but it might not be entirely unlivable. In lab experiments, yeast cells survived simulated Martian shock waves and toxic perchlorate salts—two major environmental threats on the ...

On Mars, it’s the little things that hint at past life. In 2025, tiny details in rocks across the Martian surface have revealed some of the most exciting clues yet that there may once have been ...

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