Yellowstone National Park has one of the largest volcanic systems on our planet. Its vast caldera stretches across much of the park's area and has given rise to some of the popular geysers, hot ...

Streams of molten lava flowed from Hawaii's Kilauea volcano overnight Saturday into Sunday, ahead of another eruption expected to take shape in the coming days, the U.S. Geological Survey said.

In the Pacific Northwest, a surge of seismic activity has pushed one underwater volcano into what researchers describe as a very high likelihood of eruption, with some models putting the odds near 95 ...

POZZUOLI, Italy — In Greek and Roman mythology, the Campi Flegrei volcano is depicted as the opening to the underworld. Its prehistoric eruptions blocked out the sun, turning summer into winter and ...

In Italy, a super volcano outside of Naples is stirring in a way it hasn't for centuries. And hundreds of thousands of people live right by it. In Greek and Roman mythology, the Campi Flegrei volcano ...

If you were lucky 74,000 years ago, you would have survived the Toba supereruption, one of the largest catastrophic events that Earth has seen in the past 2.5 million years. While the volcano is ...

FILE - This image provided by the U.S. Geological Survey (USGS) shows evening views of lava fountaining from Haleumaumau Crater at the summit of Kilauea volcano inside Hawaii Volcanoes National Park, ...