Great Sitkin Volcano sits in Alaska’s Aleutian Islands, under busy flight paths between Asia, North America, and Europe. Lava ...

A long quiet volcano in Ethiopia has roared back to life, blasting ash roughly 9 miles into the sky and catching both nearby ...

It's been nearly four years since a massive volcanic explosion rocked the Pacific nation of Tonga. The eruption created a ...

(Reuters) - A fairly large explosion in Hawaii's erupting Kilauea volcano on Wednesday is likely the first of a series of larger explosions that could begin to throw rocks from and ash from the crater ...

In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...