Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

NASA’s Curiosity rover has assembled a string of chemical evidence from ancient Martian rocks that, taken together, builds the strongest circumstantial case yet for conditions that could have ...

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, ...

Mars is full of surprises, but this one had scientists leaning closer to their multi-monitor arrays: a rock, about 31 inches across, sitting alone in a field of fractured bedrock in a region called ...

Scientists studying a rock sample collected by NASA’s Curiosity rover have uncovered something tantalizing: the largest ...

Minerals linked to microbial processes on Earth found in riverbed rock A rock sample collected by NASA’s Perseverance rover from an ancient riverbed in Jezero Crater may contain the strongest evidence ...

NASA’s Curiosity rover has uncovered some of the largest organic molecules ever detected on Mars, and scientists say ordinary geology may not fully explain them.

A rock found on Mars contains substances that could have been produced by ancient microbes that were once alive, NASA said Wednesday. The NASA rover Perseverance found the rock, named “Cheyava Falls,” ...

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, ...