This intriguing astronaut photo shows around a dozen giant "star dunes" as they slowly dance across a sandy field near the edge of the Sahara desert. The rare dunes, which are often confused with ...

Western Sahara is home to some of the most stunning and unexplored sandboarding spots. The vast desert landscape, characterized by towering dunes and endless horizons, makes it a perfect place for ...

Mars has a vast sea of sand dunes in the high latitude region encircling its north polar cap, known as the North Polar erg. These dunes are made up of basalt and gypsum sand grains. In some regions of ...

You could be forgiven for thinking that this was a photo of Mars, it's actually here on Earth. Almost like a scene from Mars, or the Dune movies, astronauts aboard the International Space Station ...

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 ...