1959 Kīlauea Iki eruption: It happened in the crater just north of the volcano’s caldera, lasting only about a month with 17 ...

Far beneath the forests and hot springs of the American West, the continent’s largest active volcanic system is rumbling in ways scientists are only now beginning to fully resolve. New seismic ...

A rare underwater eruption at Hunga Tonga sent water vapor into Earth’s atmosphere, cooling the stratosphere and reshaping ...

Across the United States, scientists who track the country’s most powerful volcano systems are picking up new signals that ...

Since 2000, specialists at the National Museum of Natural History have produced the world’s foremost report on active ...

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 ...