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

The findings reveal that the Martian surface can preserve the kinds of molecules that could serve as signs of ancient life.

NASA’s Perseverance Mars rover took this selfie on July 23, 2024, the 1,218th Martian day, or sol, of the mission. To the left of the rover near the center of the image is the arrowhead-shaped rock ...

NASA's Curiosity Mars rover has discovered never-before-seen organic compounds that may indicate there was once life on the red planet. Get any of our free email newsletters — news headlines, sports, ...