A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them ...

Aerial photographs have revealed the extent of coastal erosion in a seaside village over the last two decades.

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 ...

Parts of Texas’ shores were unrecognizable after the Category 1 hurricane wreaked havoc on the Gulf Coast in July, destroying ...