A sacred North Korean mountain was recently named as a UNESCO Global Geopark, the first time a natural site in the country has been included on the list.

Activity below the surface of an Alaskan volcano has scientists on edge over an eruption that could be coming. Mount Spurr, which is about 78 miles southwest of Anchorage, has been the focus of ...

Imagine standing at the rim of a vast caldera, the earth beneath your feet formed by unimaginable forces millions of years ...