In an unexpected turn of events, NASA’s Curiosity rover has cracked open a rock on Mars, uncovering something so surprising ...

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

The Mars rover captured images of low ridges called boxwork patterns, which appear like spiderwebs from space.

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

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

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

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

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

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

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

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

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