The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

A strange rock covered in tiny spheres may hold secrets to Mars’ watery — or fiery — past.

Once again, Mars has presented us with an example of something it seems to have in abundance: extremely peculiar and baffling ...

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

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

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 ...

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

NASA's Perseverance rover has encountered another rock on Mars that has left scientists puzzled. Named "St. Pauls Bay" by the mission team, the Mars rock features hundreds of millimeter-size dark ...

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