Mars Rover accidentally ran over a rock and broke it open — revealing mysterious yellow crystals inside More life-related ...

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

The rover crushed a section of rock with its wheels and discovered a rare sample of pure yellow sulfur crystals.

NASA scientists say pure sulfur has been found on Mars for the first time after the Curiosity rover inadvertently uncovered a cluster of yellow crystals when it drove over a rock.

While surveying the site of an ancient channel on Mars, the Curiosity rover ran over a rock and discovered pure sulfur on the red planet for the first time.

The crystals are pure sulfur, a first-time find on Mars. While researchers are intrigued, it is not fully known why it formed in this region.

Previously, the rover uncovered minerals mixed with sulfur. But this is the first time pure sulfur has been discovered on Mars.

NASA's Curiosity rover accidentally and unexpectedly discovered pure sulfur hiding in plain sight, blending in with the Red Planet's surface.

Curiosity, NASA's Mars rover, accidentally cracked open a seemingly ordinary rock, revealing an unexpected yellow substance ...

Pure sulfur, on the other hand, only forms under a very narrow set of conditions, which are not known to have occurred in the region of Mars where Curiosity made its discovery.

Pure sulfur, on the other hand, only forms under a very narrow set of conditions, which are not known to have occurred in the region of Mars where Curiosity made its discovery.