NASA’s Curiosity rover has uncovered a missing piece in the puzzle of Mars' past atmosphere. Scientists discovered ...

A brush-and-sample mission had to be skipped as NASA's Curiosity Mars rover found itself on unstable ground, but this opened ...

“The discovery of abundant siderite in Gale Crater represents both a surprising and important breakthrough in our ...

Here’s the latest dirt on Mars. NASA’s trusty Curiosity rover, which has been exploring the so-called red planet for years, just unearthed something huge — a stash of carbon-rich carbonate minerals ...

Scientists are eager to find out whether Mars was once capable of supporting life, and according to new Curiosity findings, ...

"This float rock uniquely contrasts the surrounding light-toned outcrop with its dark tone and angular surface, and it ...

Scientists have pondered why Mars seemed to be missing sufficient carbonates indicative of its warm, wet past. Now, NASA’s ...

NASA's Perseverance rover has snapped an image of a mysterious rock embedded in the surface of Mars, and researchers aren't ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red ...

NASA has found a rock on Mars that it has dubbed Skull Hill. The rock is known as a "float rock," and NASA has no idea where ...

Explore the latest discoveries about Mars' ancient carbon cycle revealed by NASA's Curiosity rover in Gale Crater.

NASA’s Curiosity rover has made a major discovery that could help explain what happened to Mars’ ancient atmosphere—and why ...