Add Yahoo as a preferred source to see more of our stories on Google. Almost perfectly circular sand dunes dot the surface of Mars. Almost perfectly circular sand dunes dot the surface of Mars. NASA's ...

As humanity’s robot rovers continue to roll over and scan the surface of Mars, we continue to see the Red Planet in unprecedented detail. In a new video released by NASA’s Jet Propulsion Laboratory ...

Since the discovery of dark streaks on the slopes of Mars in 2011, astronomers have been excited about potential evidence of water beneath the surface of the red planet. If there are subsurface water ...

Mars’ sand can walk on water. During summers on Mars, the combination of warm temperatures, deposits of ice and the planet’s thin atmosphere could be causing sand to levitate. Mars can get as hot as ...

A NASA orbiter has spotted shifting sand dunes and ripples all over Mars, with strong martian winds keeping the sandy martian surface much more active than scientists ever imagined. The new images ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Since the discovery of dark streaks on the ...