A giant chunk of the planet Mars could sell for up to an eye-watering $4 million at auction later this month, making it the ...

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

A lab experiment that simulated Mars conditions showed that green algae can grow in plastic containers made from the same ...

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

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

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

"Returning the scientifically selected samples that await us on Mars, as part of a balanced portfolio, will help to ensure ...

Algae grown under Mars-like conditions could make bioplastic building materials for structures to harbor life in space.

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

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

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