In a groundbreaking revelation, NASA’s rover discoveries may change everything we thought we knew about thehistory of Mars.

Dust devils on Mars could be crackling with electric currents, according to a new study — and scientists are a little ...

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

"Past climates with surface and shallow-subsurface liquid water are recorded by Mars's sedimentary rocks, including strata in the approximately 4-kilometer-thick [circa 2.5 miles thick] record at Gale ...

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

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

Martian dust devils may spark with electricity, potentially zapping rovers. New models show that charged dust could interfere ...

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

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

New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

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 snapped its first images of web-like "boxwork" features on the surface of Mars. The zig-zagging ...