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

ASTRONAUTS visiting Mars could unearth a museum of alien fossils that may have belonged to an intelligent civilisation.

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

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 ...

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

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

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

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...

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

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

As the Curiosity rover continues to capture evidence of abundant water on an otherwise arid planet, NASA has said that other possible future places to look for signs of life on Mars include sites ...