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.

Perseverance just stumbled upon one of Mars’ weirdest rocks yet—a formation covered in dark, spherical shapes with mysterious ...

Is there life on Mars? When curiosity breaks through a rock, it reveals this within. Sulfur crystals were discovered on the mysterious red planet.

While the NASA apparatus perched on Mars was rolling over the planet ... "Finding a field of pure sulfur rocks is like finding an oasis in the desert. It shouldn't be there, so now we have ...

Perseverance explores Jezero Crater’s rim, uncovering diverse rocks that reveal Mars’ ancient geology and possible signs of ...

The Mars Curiosity rover’s onboard mini-lab has helped confirm the existence of the largest organic molecules ever found on the Red Planet. The trio of long-chain compounds preserved in Martian soil ...

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

Chains of up to a dozen carbon atoms have been detected in what appears to have been an ancient lakebed on Mars, contributing to a growing library of compounds that could be a vital clue about the ...

The Cumberland rock is made from clay ... methane as well as chlorine or sulfur-bearing organics, but until this study, the largest organic molecules found on Mars had been only six carbon atoms ...