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

Amanda Kooser covers the quirky side of science and space. 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 ...

Pure Quartz (circled in yellow), meanwhile ... I don’t believe you can find this anywhere else, so good luck. Sulfur – While it is possible to find Sulfur nodes out in the wild, the best ...