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

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

It's been nearly four years since a massive volcanic explosion rocked the Pacific nation of Tonga. The eruption created a huge plume of ash and water that stretched more than halfway to space. HPR's ...

(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 ...

A towering wall of fire brightened the night sky over the Caspian Sea on Sunday due in part to a unique geologic formation. Just after sunset on July 4, a large explosion and fireball could be seen ...