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Researchers reveal how sand dunes are formed

Last Updated: Monday, January 13, 2014, 18:58

Researchers after a four-year experiment have revealed how prevailing winds create sand dunes on Earth.

Liquid water of frozen Alaskan sand dunes hints of a wetter Mars

Last Updated: Saturday, March 30, 2013, 15:14

The presence of liquid water at and beneath frozen Alaskan sand dunes during the winter months suggests that liquid water could also be temporarily stable (or metastable) at frost-covered sand dunes on Mars.

Dry ice smoke carves up dramatic sand dunes on Mars

Last Updated: Monday, January 28, 2013, 16:43

The seasonal thawing of carbon dioxide ice near Mars` north pole carves grooves in the red planet`s sand dunes, new research has found.

Shifting sand dunes spotted on Mars

Last Updated: Monday, November 28, 2011, 15:53

Images captured by NASA spacecraft showed that wind-blown sand dunes moving across the Martian surface.

Mars has winds powerful enough to shift sand dunes

Last Updated: Thursday, November 17, 2011, 12:57

Scientists believe Mars has winds powerful enough to move sand dunes on the planet’s surface around.