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

The signs of wave ripples in the sandy shores of ancient lake beds, created as wind pushed water back and forth have been ...

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

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

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of ...

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

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.

The planet is the seventh largest and is currently inhabited solely by robots. However, the space agency is working hard to ...

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

The study of ancient lava formations on Mars is the most complete to date from a series of observations conducted on the ...

On Jan. 25, the love planet will join forces with go-getter Mars in an emotionally driven trine, inspiring a flood of ...