Curiosity rover cracked open a Martian rock, revealing a sight never before seen on Mars - a dazzling display of yellow ...

There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they ...

A rock shaped like an arrowhead on Mars, displaying intriguing features, could reveal clues about ancient microbial activity.

From its perch in the foothills of the 3.4-mile-high mountain, you can see over an expanse of plains, called Aeolis Palus, ...

NASA’s Perseverance rover found pale rocks containing kaolinite on Mars, a mineral that forms in warm, wet conditions.

Rocks loafing about on the surface of Mars have been harboring secrets about the red planet's mysterious past.

Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

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

Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

Research published late last year indicated “seismic discontinuities in the Martian crust” that scientists believe could be an indicator of liquid water under the Martian surface, raising the ...

The rock was discovered by the National Aeronautics and Space Administration (NASA) Perseverance rover. According to ...

Mars might hold enough subsurface water to cover its surface in a global ocean between 0.62 to 1.24 miles (1 to 2 kilometers) ...