Star dunes - sometimes called pyramid dunes - stand out among sand dunes for their towering height and eye-catching form.

This story appears in the November 2012 issue of National Geographic magazine. I got my first lesson in the physics of sand dunes in 1998 on an expedition into the Sahara. In order to take aerial ...

Behind many of these beaches are sand dune systems which provide homes for diverse forms of wildlife including plants and insects, some so highly specialised that without these dune habitats ...

Erin Argyilan was wrapping up a scientific study of wind speeds on Mount Baldy last year when she saw a circle of beachgoers on their knees halfway up the hulking sand dune. They appeared to be ...

This giant sand dune in southern Spain is about 98 feet high and 656 feet wide, making it one of Europe's largest sand dunes. What is perhaps even more fascinating is what hides beneath it.

Appearances can be deceiving. At first glance, you'd never think the rolling white sand dunes of southeastern New Mexico and west Texas held the largest stand of oak in the country. The region's ...

Geography and Geology of the Thar Desert History ... The Thar Desert is characterized by its expansive sandy terrain, with ...

In the past, the only way to build up the dunes was to add sand and plant vegetation ... in a certain place and that kind of ...

The hymn tune "Beach Spring" tells a story of misprint and geography — it reminds Coggin Heeringa of the natural springs ...