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

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

A rock on Mars that may hold clues about ancient microbial life on the Red Planet continues to puzzle scientists.

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

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 found pale rocks containing kaolinite on Mars, a mineral that forms in warm, wet conditions.

Within the next decade, space agencies plan to bring samples of rock from Mars to Earth for study. Of concern is the possibility these samples contain life, which could have unforeseen consequences.

When a mudflat crumbles on Earth, or an ice sheet splinters on one of Jupiter's moons (Europa), or an ancient lakebed breaks ...

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior. When the rover rolled its 899-kilogram (1,982-pound) body over the rock in ...

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

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

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