A 3.5-billion-year old rock discovered on the Red Planet is "the closest we've come to discovering ancient life on Mars," according to NASA. Potential signs of microbial life were found in a rock ...

Taking a new look at a very old mudstone on Mars, scientists believe they have found a potential biosignature, indicating that Mars may have once hosted life. In July of 2024, while exploring an old, ...

NASA’s Perseverance Mars rover captured this image of a rocky area nicknamed “Cheyava Falls” on July 18, 2024, showing black “poppy seed” and larger “leopard spot” features. Researchers say a sample ...

For four years, NASA’s Perseverance rover has searched for possible signs of ancient life on the surface of Mars. It has found myriad interesting features in its travels, including a rock with strange ...

NASA’s Perseverance rover has detected a buried ancient river delta beneath the surface of Mars’s Jezero Crater using ...

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, ...

A single pale rock in an ancient Martian riverbed is forcing scientists to rethink when, where, and how life might have taken hold on the Red Planet. Instead of a slow, abstract search for ...

NASA’s Perseverance rover discovered “leopard spots” on a reddish rock nicknamed “Cheyava Falls” in Mars’ Jezero Crater in July 2024. - NASA/JPL-Caltech/MSSS Scientists believe intriguing leopard ...

CAPE CANAVERAL, Fla. (AP) — NASA’s Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life, scientists reported Wednesday. They ...

Tiny life-forms might have once existed on Mars, leaving a trail that resembles poppy seeds and leopard spots on a reddish rock. NASA's Perseverance rover found this rock in July 2024. Scientists ...

A long time ago, life left microscopic signatures on Mars — or did it? That's the question NASA scientists have worked for years to answer. On Wednesday, NASA researchers said the answer might be in a ...