Strange, sinuous gullies etched into the dunes of Mars are finally giving up their secrets. These gouges, new experiments reveal, are carved by the explosive sublimation of dry ice, burrowing down the ...

Wringing out clues that could change everything.

A radio glitch Tuesday between the Phoenix Mars Lander and a Mars orbiter delayed the start of planned science experiments on the red planet. Mission leaders at the University of Arizona had hoped to ...

Searching for organic molecules in rocks on Mars is no easy task. Curiosity’s Sample Analysis at Mars (SAM) instrument is designed to analyze the chemical composition of gases, which it creates by ...

MOUNTAIN VIEW, Calif. (KGO) -- The idea of putting a man on the moon was a revolutionary proposal in 1961-- that ambitious goal was achieved in 1969. The last person to go to the moon was 46 years ago ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.