NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.

A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

NASA's Curiosity rover says farewell to the funky sulfur stones of the Gediz Vallis channel with an immersive panorama view from Mars.

NASA scientists are hoping to understand the history of where they found the rocks — and for evidence of ancient microbial ...

The rover's latest discoveries, including pure sulfur stones and sprawling mineral "spiderwebs," unravel new mysteries of ...

NASA's Curiosity rover is preparing for the next leg of its journey, a months-long trek to a formation called the boxwork, a ...

After a year of exploring a mysterious valley on Mars, NASA 's intrepid Curiosity rover is headed to a new destination with ...

A close-up photo taken by the Curiosity rover shows pure yellow sulfur crystals within a rock. NASA’s Curiosity rover ran over a rock on Mars in late May. That’s par for the course on the red ...

a Martian rock full of yellow crystals that scientists determined to be elemental sulfur. "Finding a field of stones made of pure sulfur is like finding an oasis in the desert," said Curiosity ...

The Curiosity team was therefore surprised by the stones and the yellow crystals they contained when the rover passed over them. Investigations confirmed the stone was pure sulfur — something no ...