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

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

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

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

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

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

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 ...

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 new study published in PNAS today has made quite a splash. The study involved a team of Chinese and American scientists led by Jianhui Li from Guangzhou University in China, and was based on work ...

A Chinese rover has spotted evidence of an ancient coastline on Mars, suggesting the Red Planet was once a blue world ... some judgements about what the rocks were made of, it would be impossible ...

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