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 ...
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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 ...
A new technique estimates forces on individual sand grains, offering scientists a novel way to study how Martian winds shaped the Red Planet. When you purchase through links on our site, we may earn ...
In some places, sand dunes protect shorelines from the onslaught of ocean waves. In other places, the dunes themselves are on the move, and threaten human structures. Host Flora Lichtman talks with ...
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