Fossilized rivers suggest warm, wet ancient Mars

Extensive systems of fossilised riverbeds have been discovered on an ancient region of the Martian surface, supporting the idea that the now cold and dry Red Planet had a warm and wet climate about 4 billion years ago, according ...

Martian Face Turns Out to be a Rocky Mesa

(PhysOrg.com) -- In 1976, the Viking spacecraft, flying above Mars, captured an image of what appeard to be a large face on the surface of the planet. The face appeared, to many, as proof that a Martian civilization existed; ...

Extensive water in Mars' interior

Until now, Earth was the only planet known to have vast reservoirs of water in its interior. Scientists analyzed the water content of two Martian meteorites originating from inside the Red Planet. They found that the amount ...

12-mile-high Martian dust devil caught in act

(PhysOrg.com) -- A Martian dust devil roughly 12 miles high (20 kilometers) was captured whirling its way along the Amazonis Planitia region of Northern Mars on March 14. It was imaged by the High Resolution Imaging Science ...

Drilling Down into Mars

(PhysOrg.com) -- NASA's Phoenix lander revealed water ice mere inches beneath the martian surface, and chemical evidence from the landing site strongly hints that the region is habitable. But learning whether there is life ...

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