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

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

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

NASA's Perseverance rover has spotted an oddball rock in an ancient river channel on Mars. Deputy project scientist Katie ...

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

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

NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the ...

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

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

The Perseverance team have faced a stubborn engineering challenge. After successfully collecting a core called "Green Gardens ...

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