The idea of an ancient Martian ocean has fascinated scientists for decades. Now, groundbreaking research based on radar scans ...

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

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

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

Since its arrival on the Martian surface five years ago, NASA’s Perseverance rover has been busy scouring the Red Planet for ...

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

A new study claims that a mineral found in Mars' dust called ferrihydrite, which forms in the presence of cool water, is ...

Sometimes scientists must dig and work and sweat to make scientific discoveries. And sometimes a robot rolls over a rock that ...

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

Scientists have discovered kaolinite mineral on Mars, providing new evidence that the planet was once warm and wet.