"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.

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

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

NASA's Curiosity Rover has been exploring Mars since 2012 and more recently has found evidence of ice-free ancient ponds and ...

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

Researchers have discovered two sets of ancient wave ripples on Mars, signatures of long-dried bodies of water preserved in ...

The signs of wave ripples in the sandy shores of ancient lake beds, created as wind pushed water back and forth have been found on Mars providing evidence that there were open bodies of water, not ...

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

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

On this date, Jan. 18, 2004, the European Space Agency’s Mars Express finalized mapping of the Red Planet’s south pole. The ...