It happened in May when NASA’s nearly one-ton Curiosity rover ran over a rock, which cracked open, revealing yellow sulfur crystals.

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

NASA's Curiosity rover made a significant discovery of sulfur crystals, which was the first in its Mars exploration.

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

NASA's Mars rover finds pure sulphur on the red planet for the first time Curiosity breaks a Mars rock, revealing pure yellow sulfur. This surprising, first-time discovery is unexplained.

NASA’s Curiosity Mars rover captured this last look at a field of bright white sulfur stones on Oct. 11, before leaving Gediz Vallis channel.

NASA’s Curiosity rover has made remarkable discoveries on Mars, revealing the Red Planet once had a dynamic and water-rich environment. Curiosity made a groundbreaking find in May. While traversing ...

NASA's Curiosity rover has discovered rocks made of pure sulfur on the surface of Mars for the first time. Scientists were stunned when the 1-tonne rover drover over a rock, cracked it open and ...

NASA Curiosity Mars rover has made a remarkable discovery: the first-ever finding of pure sulfur crystals on Mars. Check details.

Recent image of elemental sulfur crystals obtained by NASA's Curiosity rover on Mars. (Credit: NASA/JPL-Caltech/Malin Space Science Systems) “Finding a field of stones made of pure sulfur is like ...

Among the debris are mysterious white sulfur stones, which are labeled in the panoramic view JPL provided. The rover also rolled over one of the white stones and cracked it open.

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