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.

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

It snowed in Hawaii on Friday. While most of the state enjoys a tropical climate year-round, Hawaii's mountaintops are no ...

Beneath the steaming geysers and bubbling mud pots of Yellowstone National Park lies one of the world's most closely watched volcanic systems. Now a team of geoscientists has uncovered new evidence ...

If it erupted today, it's thought Yellowstone in the northwestern United States could cause a prolonged nuclear winter and ...

When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the ...

Just under the surface of the Pacific Ocean in the Solomon Islands is an active underwater volcano that's inexplicably ...

The best resorts in Costa Rica allow travelers to immerse themselves in this country’s laid-back way of life. Our travel ...

A flurry of seismic activity that caused 160 quakes in just two hours at the Laguna del Maule volcanic field in central Chile ...