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 ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

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

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

A hidden box-lattice suggests groundwater sculpted Mars long after surface water fled; Curiosity’s drills aim to confirm the ...

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

By discovering carbonate rocks, NASA's Mars rovers may have unlocked the key to understanding the fate of the Red Planet's climate.

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

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

NASA's Curiosity Mars rover completed the fourth year of its original two-year mission today and is looking forward to another two-year extension beginning in October. When the US$2.5 billion ...