NASA's Curiosity Mars rover has discovered fragments of sulfur crystals on Mars, the first ever seen on the Red Planet. The crystals were found after the rover accidentally crushed a rock on May 30, 2024. The rover then used a camera on its robotic arm to take a close-up view of the crystals.

Source: https://www.nasa.gov/image-article/curiosity-sees-martian-sulfur-up-close/