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 ...

The organic molecules discovered by NASA’s Curiosity rover could have been formed by life, but they could have also come from geologic processes or meteorites ...

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

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 ...

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 ...

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 ...