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 ...

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

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

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.

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

Surrounded by green hills and beige rock, Lake Salda sits in what is sometimes called the Turkish Lake District, a great ...

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

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 ...

With new data coming in from Mars, scientists have a new theory about why the planet is red. What does this mean for whether ...

The discovery of pale, loose rocks on the Martian surface could suggest that Mars was once a much warmer world.