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

Sheel and his team found that when the atmosphere of Mars is laden with dust, the atmosphere becomes less conductive, ...

NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...

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 ...

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

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 ...

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

NASA's Curiosity rover finds strange rock formations on Mars. These look like spiderwebs. The rover spots these on Mount ...

As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked ...

NASA's Curiosity rover has snapped its first images of web-like "boxwork" features on the surface of Mars. The zig-zagging ...