Scientists nicknamed the 5-inch sample of yellow sulfur crystals "Convict Lake" after a lake in California's Sierra Nevada mountains, according to NASA. Curiosity snapped photos of the piece of ...

Yellow sulfur crystals revealed after NASA’s Curiosity cracked open a rock. Inset: a stock image of Mars. It’s the first time this kind of sulfur has been found on Mars.

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. And it looks ...

The yellow sulfur crystals in a pure form have never been seen before on Mars. Earlier findings have been sulfur-based minerals, or a mixture of sulfur and other materials, according to NASA.

The yellow sulfur crystals in a pure form have never been seen before on Mars. Earlier findings have been sulfur-based minerals, or a mixture of sulfur and other materials, according to NASA.

The latest discovery by the 12-year-old rover was pure sulfur crystals hidden in the Gediz Vallis, with the area filled with it, and researchers looking to uncover more of what it means.

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.

NASA's Curiosity rover has discovered an abundance of pure sulfur on Mars after it recently drove over a rock and cracked it ...

The yellow sulfur crystals in a pure form have never been seen before on Mars. Earlier findings have been sulfur-based minerals, or a mixture of sulfur and other materials, according to NASA.

The yellow sulfur crystals in a pure form have never been seen before on Mars. Earlier findings have been sulfur-based minerals, or a mixture of sulfur and other materials, according to NASA.