Approaching the giant sand dunes of Great Sand Dunes National Park will make you feel like you’re on a completely different planet. From a distance, the sand dune field looks like an endless sea ...

This intriguing astronaut photo shows around a dozen giant "star dunes" as they ... to explore the erg's sandy peaks. A star dune is a type of sand dune that has at least three ridges coming ...

With this amount of sand coverage, there’s still plenty of opportunity for the formation of vast dune seas, known as ergs.

Gearing up: For a project to photograph the world’s extreme deserts, I wanted to visit the giant sand dunes in China’s Inner Mongolia. The only way into the Gobi is on foot or by camel.

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.

It took a full day driving over giant sand dunes, from which we had to dig our truck out several times, until eventually we reached the place where Ben was certain the rain had fallen just a few ...

these lizards are finally protected from oil spills and giant machines scooping up sand. Designating critical habitat will close any loopholes that might still allow the destruction of the beautiful ...

A star dune is a type of sand dune that has at least three ridges coming from a central peak, which gives it a star-like shape when viewed from above, according to NASA's Earth Observatory.But ...