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

Learn about the analysis conducted on wave ripples in the Gale crater region of Mars, where ice-free ponds and lakes stood ...

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

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

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

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

Buttes and mesas in Mars' Chryse Planitia contain clay minerals made from liquid water interacting with the rock nearly 4 ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

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

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

Ancient ripples suggest a warmer, wetter past for the Red Planet that supported open water on its surface.

Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators ...