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

NASA's Rover found ripples in Martian rock that resemble the wave patterns on a sandy lake bed on Earth. The ripples could ...

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

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, with no ice covering the surface ...

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

"The shape of the ripples could only have been formed under water that was open to the atmosphere and acted upon by wind," says postdoctoral scholar Claire Mondro, the study's first author.

A ripple tank can be used to measure and calculate frequency, wavelength and the speed of waves on the surface of the water. A ripple tank is a transparent shallow tray of water with a light ...