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 ...

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

wavelength and the speed of waves on the water's surface. A ripple tank is a transparent shallow tray of water with a light shining down through it onto a white card below. The light allows you to ...