An accident on Mars revealed the surprising contents of an otherwise unremarkable rock. (NASA/JPL-Caltech/MSSS) A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked ...

NASA’s Perseverance Mars rover took this selfie on July 23, 2024, the 1,218th Martian day, or sol, of the mission. To the left of the rover near the center of the image is the arrowhead-shaped rock ...