NASA's Curiosity Mars rover has detected the largest organic (carbon-containing) molecules ever found on the red planet. The ...

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

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

The Opportunity Rover spotted ‘Martian Blueberries’ near the equator in 2004, which were identified as small and marble-like ...

NASA's Perseverance Mars rover spotted a mysterious rock made of hundreds of tiny spheres that resemble spider eggs. Studying ...

NASA’s Perseverance rover has stunned experts after finding some strange-looking rock composed of spherules on the surface of ...

NASA's Perseverance rover has discovered a bizarrely textured rock covered in hundreds of egg-like spheres on Mars, ...

NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled.

The Curiosity rover detected the largest organic molecules to date on Mars, which may be fragments of fatty acids, or some of ...

Curiosity found large organic molecules in a 2013 Mars rock sample. These fragments suggest Mars had the right chemistry for ...

But Curiosity wasn't the only one with a geological mystery. At the same time, roughly 2,300 miles away on the other side of ...

The NASA rover "Curiosity" discovered what scientists say is the largest ever seen organic molecules on Mars, raising ...