NASA spacecraft detects impact glass on surface of Mars

A National Aeronautics and Space Administration spacecraft has detected deposits of glass on Mars which were formed by asteroid impacts and may hold signs of ancient life on the red planet. Formed......

Orbiter sends images of frozen water from Mars

NASA's Mars Reconnaissance Orbiter has captured stunning images of a patch of frozen water and deep gouges from landslides that have left no visible debris behind, in the first few days of its main......

Mars gullies sculpted by dry ice, not water

Gullies on Mars may be formed by dry ice processes rather than flowing liquid water, as previously thought, a new study has found. The study conducted by French scientists shows that, during late......

PHOTOS: Mountain-sized comet whizzes past Mars after a million years

This artist's concept shows NASA's Mars orbiters lining up behind Mars for their "duck and cover" maneuver to shield them from comet dust that may result from the close flyby of comet Siding......