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 ...

I got my first lesson in the physics of sand dunes in 1998 on an expedition into the Sahara. In order to take aerial photos ...

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For those who find themselves awed by arid landscapes, there’s no place like Africa. The continent boasts nine separate deserts, including a vast Sahara that sprawls across much of the north, the rust ...

Maine’s strangest day trip pairs glacial sand dunes, forest trails, and family fun in a landscape that looks wonderfully out ...