There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they ...

Perseverance rover discovered a rare rock known as Silver Mountain from Mars and it is 4.1 billion years old.

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

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

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

Mars expert Roger Wiens and his team, including the rover Perseverance, discovered fascinating rocks incorporating kaolinite ...

Mars was long believed to be entirely red. However, NASA’s Perseverance rover has captured stunning images revealing blue rocks scattered across the Martian surface, challenging old perceptions.

For years, the U.S. space agency's Perseverance rover has been scouring Mars and scooping up intriguing rock samples. Some of those samples have been stashed away in cylindrical tubes on the ...

The rock, which was part of a larger meteorite discovery back in 1999, is thought to have originated on Mars. A chunk of the planet is believed to have been blown off into space by an impact ...

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 ...

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