Miles beneath a giant oval-shaped crater punctured in Yellowstone National Park, Wyoming, is a hotbed stirring with restless, agitated magma. It is one of the most aggressive supervolcanoes in the ...

Add Yahoo as a preferred source to see more of our stories on Google. People watch the surf on the coast of Central Oregon. The Axial Seamount, an underwater volcano 300 miles off the coast of Oregon, ...

LOS ANGELES — A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San ...

Hundreds of miles off the coast of Oregon, Deb Kelley watched a pod of dolphins swim past the research vessel Atlantis as the sun set on the Pacific Ocean. But beneath the calm seas lurked a behemoth: ...

LOS ANGELES — A mysterious and highly active undersea volcano off the Pacific Coast could erupt by the end of this year, scientists say. Nearly a mile deep and about 700 miles northwest of San ...

Volcanic eruptions are perhaps nature's most terrifying display of power. Catastrophic eruptions of volcanoes like Mount Vesuvius, Krakatoa, and Mount St. Helens have gone down as some of the most ...