A rock on Mars spilled a surprising yellow treasure after Curiosity accidentally cracked through its unremarkable exterior.

The Mars rover found geological formations in Gale Crater showing how water percolated beneath the surface, and ...

Curiosity, NASA's Mars rover, accidentally cracked open a seemingly ordinary rock, revealing an unexpected yellow substance ...

Curiosity stitched 291 Mastcam photos into a color-balanced 360° panorama of Gale Crater’s “boxwork” ridges—spiderweb-like ...

Scientists had hypothesized before the rover arrived that the peculiar ridges formed with the last trickles of water in the ...

NASA’s Curiosity rover has found rocks rich in carbonate minerals. These minerals are like Earth’s limestone and act as ...

Mars is thought to currently have all the necessary ingredients for life except for perhaps the most important one: liquid ...

A warm afternoon on ancient Mars lasted about as long as a Silicon Valley internship. That is the sobering conclusion of a ...

New images from NASA's Curiosity Mars rover show the first close-up views of a region scientists had previously observed only ...

An analysis led by the University of Chicago of Mars Science Laboratory Curiosity rover data may explain why the planet was ...

The images and data being collected are already raising new questions about how the Martian surface was changing billions of years ago.” ...

The new images by the Curiosity rover on Mars show "dramatic evidence" of ancient groundwater in crisscrossing low ridges, ...