The colorful swirls and stripes that characterize China's Rainbow Mountains would have remained hidden without the epic ...

The Guinness World Record for the oldest Earth rock is currently held by the Nuvvuagittuq greenstone belt, which is listed as ...

Pale rocks on the red planet reveal a watery past and suggest the potential for life. Sometimes, scientists have to dig, work ...

In 2004, the Mars Exploration Rover Opportunity spotted similar strange spheres, so-called "Martian Blueberries", and since ...

The bizarre Martian rocks just keep on comin'. NASA's Perseverance Rover has stumbled across an extremely strange rock that's ...