HONOLULU (AP) — Hawaii’s Mauna Loa, the world’s largest active volcano, has started to erupt, prompting volcanic ash and debris to fall nearby, authorities said Monday. The eruption began late Sunday ...

Hawaii's Kilauea was spraying a spectacular fountain of lava on Monday, keeping up its reputation as one of the world's most ...

Footage from the U.S. Geological Survey shows snow falling a the summit of Mauna Loa in Hawai’i, which is the world’s largest active volcano.

Iceland's Vatnajökull Glacier is one of the most beautiful—and geologically important—places in the country.

Snow covered the summit of Mauna Loa, the world’s largest active volcano, in Hawaii on January 5. While much of the state ...

Red glowing lava was visible inside the Kilauea Volcano on the Big Island of Hawaii late Sunday night and early Monday ...

The rupture occurred at about 3,000 meters (roughly 9,800 feet), and by Thursday afternoon the lava had descended to 2,900 meters, according to Giuseppe Amendolia, a member of the Alpine Guide team ...

Add Yahoo as a preferred source to see more of our stories on Google. When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ...

When you think of the United States, images of sprawling cities and vast landscapes might come to mind, but not the hidden and ever-present geological threat: volcanoes. While you might associate ...