The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

New research reveals ancient ripples on Mars, providing compelling evidence of long-lost lakes that once existed 3.7 billion ...

The findings are the result of the ongoing studies performed by NASA’s Curiosity rover, which has been scouring the red ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

"Rootless cones form when lava flows over wet or icy ground, causing it to boil and explode," said Dundas. "The region around ...

Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...