Mapping in the Chukchi and Beaufort seas off Alaska has uncovered a 1,640-foot-tall structure on the seafloor, but scientists ...

Around 50 homes were evacuated, along with guests at the famous Blue Lagoon resort, according to the national broadcaster.

A volcano on the Reykjanes Peninsula in southwestern Iceland is spewing lava from a fissure in its seventh eruption since ...

Iceland, which sits above a volcanic hot spot in the North Atlantic, averages one eruption every four to five years.

The towering Denali is the most iconic view in Alaska and a testament to the state's natural and ... At some 18,000 feet ...