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

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

Their discovery showed that even tucked away in our innards – in the walls of our stomachs, subjected to vinegar-like pH ...

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

In the next decade, space agencies plan to bring rock samples from Mars to Earth. But what if these rocks contain alien ...

NASA’s Perseverance rover has uncovered high-purity quartz crystals on Mars, a discovery that could reshape the search for ...

Are subterranean lifeforms viable on Mars? A new interpretation of Martian seismic data by scientists Ikuo Katayama of ...

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 ...

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.