Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

About 290 miles off the coast of Cannon Beach, Oregon, lies an underwater volcano called Axial Volcano. Axial erupts about once every ten years. Twice in the past year, news outlets have reported that ...

Visual observations have been a backbone in studies of volcanoes, from 2,000 years ago to now. They remain fundamental to understanding how volcanoes work, and technological advancements, such as ...

Did you know the Ring of Fire, a horseshoe-shaped zone around the Pacific Ocean, has about 750 to 915 active or dormant ...

Hawaii's Kilauea volcano may be disrupting life in paradise with its bursts of ash and bright-orange lava, but it also has scientists wide-eyed, eager to advance what's known about volcanoes. The good ...

Active volcanoes are inherently hazardous places to work. Even when a volcano is quiet, volcanic gases, ground cracks, earthquakes and uneven surfaces can be unsafe. Advanced planning and preparation ...