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

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, with no ice covering the surface ...

Curiosity used its robotic arm to take dozens of images that were then stitched together to produce the final selfie Tiny drill holes left by the rover after it took rock samples can be clearly ...