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

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, ...

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

"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' ...

The new work suggests that the edge of the dichotomy was eroded back by hundreds of kilometers during the time when an ocean ...

The southern highlands of Mars (which cover about two-thirds of the planet's surface) rise as much as 5 or 6 kilometers ...

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

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 ...

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

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