The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

Mars Rover accidentally ran over a rock and broke it open — revealing mysterious yellow crystals inside More life-related ...

Mars has long captured humanity’s imagination, especially given the tantalizing evidence of ancient river valleys and ...

An analysis led by the University of Chicago of Mars Science Laboratory Curiosity rover data may explain why the planet was ...

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

A rare rock from Mars known as Meteorite NWA 16788 will be up for auction at Sotheby's on July 16. The meteorite may sell for ...

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

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

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

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

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

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...