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

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

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

NASA’s Perseverance Rover may have uncovered one of the most extraordinary phenomena on Mars yet—potential evidence of ...

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

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

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 ...

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 ...

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