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

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

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

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

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

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

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

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

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

Curiosity finds strange boxwork ridges on Mars that hint at ancient underground water. Scientists are now drilling for ...

Earth is probably stabilizing to life-friendly conditions, but Mars is different. This is indicated by simulations and ...