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

Scientists aboard the Coast Guard Cutter Healy have discovered a large underwater volcano approximately 1,600 meters beneath ...

The recent trip was part of a larger project called the Alaskan Arctic Coast Port Access Route Study, which was enacted to ...

Scientists aboard a U.S. Coast Guard icebreaker have discovered something unusual in the Arctic Ocean off northern Alaska: a ...

How many of the 160 named volcanoes in the U.S. and territories do you know? If you live in Alaska you have a big advantage.

A volcano erupted with lava spewing from a fissure on the Reykjanes Peninsula in southwestern Iceland late Wednesday evening.

A volcano near Iceland’s capital Reykjavik erupted late on Wednesday (November 20) for the tenth time in three years, spewing ...

Scientists aboard the Coast Guard Cutter Healy have identified a potential underwater volcano while mapping the seafloor off ...