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

Californian sand dunes. It all starts with the new color, called California Dune, which Rivian says evokes "the subtle natural undertones of the desert dunes with calming, earthy tones that offer ...

It looks blue because it reflects the color of the sky above ... when the sun reached all the way down to the bottom of the sand dune just before it reached the desert floor.

Dune Part 2 is one of those rare films that garners both critical and popular acclaim. It received rave reviews and it's on ...

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 ...

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.

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 ...