So much of nature is just as ominous as it is beautiful. And that’s definitely true of the sand dunes in Slowinski National Park, Poland. Set along the country’s Baltic coastline, the 186.18 ...

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 ...

Argyilan saw no sign of an opening or even upturned sand, which you’d expect if someone had dug a hole. As for natural cavities, dunes aren’t supposed to have any. Unlike hard rock ...

The body of a migrant has been found near a beach in Calais. The grim discovery was made in sand dunes at Les Hemmes de Marck, near the French port this morning. Early reports suggest the body is ...