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

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

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 ...

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

Astronomers believe the image captured by the rover is of a float rock, which means it came from some other part of Mars.

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

Take a tour of the space volcanoes on other planets and moons across the Solar System, and find out how they differ from ...

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

From its perch in the foothills of the 3.4-mile-high mountain, you can see over an expanse of plains, called Aeolis Palus, ...

But first thing's first, weird spheres on Mars aren't a brand new phenomenon. In fact, NASA first stumbled across them 21 ...

Scientists are confident Mars was once abundant with water, as seen in massive flood-carved channels, ancient river valleys, ...

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