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

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

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

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