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

Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Ancient ripples suggest a warmer, wetter past for the Red Planet that supported open water on its surface.

New research reveals ancient ripples on Mars, providing compelling evidence of long-lost lakes that once existed 3.7 billion ...

NASA's Curiosity Rover has been exploring Mars since 2012 and more recently has found evidence of ice-free ancient ponds and ...

NASA’s Curiosity rover is skygazing and photographing lovely examples of noctilucent clouds on Mars. The wispy formations ...

Researchers have discovered two sets of ancient wave ripples on Mars, signatures of long-dried bodies of water preserved in ...

The signs of wave ripples in the sandy shores of ancient lake beds, created as wind pushed water back and forth have been found on Mars providing evidence that there were open bodies of water, not ...

Fossil ripple marks are the clearest evidence of waves and water that NASA’s Curiosity Mars rover ... [+] has ever found. Recent ripple marks as seen on Earth. "This is the best evidence of ...

NASA's Curiosity rover unveils weather secrets on Mars, from high-altitude icy clouds to extensive dust storms, enriching ...

NASA’s Curiosity Rover has been exploring Mars since 2012 and, more recently has found evidence of ice-free ancient ponds and ...