The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity — or not.

Perseverance is pushing the limits of Martian science by using its SHERLOC instrument to detect organic compounds, but harsh ...

"Shorelines are great locations to look for evidence of past life." Today, Mars is a chilly desert of rock and dust — but 4 billion years ago, the planet had rivers, lakes and even oceans with ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the ...

"There are some instruments that just can't be miniaturized and sent to Mars." NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of ...