What can sand dunes on Earth and Mars teach us about the latter’s wind behavior and atmosphere? This is what a recently awarded NASA grant hopes to address as a PhD student at Texas A&M University ...

Last summer, Stephanie McNamara got her first glimpse of Great Sand Dunes National Park and Preserve in southern Colorado. The park is a monument to sand, where dunes stretch across 30 square miles ...

Great Sand Dunes National Park sits in the San Luis Valley of south-central Colorado, cradled between the towering Sangre de ...

Some of the wind-sculpted sand ripples on Mars are a type not seen on Earth, and their relationship to the thin Martian atmosphere today provides new clues about the atmosphere’s history. The ...

Winds blowing over a dune can move grains of sand in three main ways. What path these grains take depends on their size, although the exact size in each category can change from site to site. Think of ...

Formed from windblown dry sands, dunes are meant to protect inland areas, acting as a first line of defense from flooding. The small ridges or hills of sand, usually found at the top of a beach, take ...

(Phys.org) —A team made up of members from research facilities in France and China has found that theoretical models built to describe sand dune formation align very closely with how they actually ...

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Craddock, Robert A., Tooth, Stephen, Zimbelman, James R., Wilson, Sharon A., Maxwell, Ted A., and Kling, Corbin. 2015. "Temporal Observations of a Linear Sand Dune in ...