NASA's Curiosity Rover Uncovers Trove of Yellow Crystals on Mars
NASA's Curiosity Rover Uncovers Trove of Yellow Crystals on Mars
https://gizmodo.com/nasas-curiosity-rover-uncovers-trove-of-yellow-crystals-on-mars-2000476772
This is the first time pure sulfur has been found on the Red Planet.