A long quiet volcano in Ethiopia has roared back to life, blasting ash roughly 9 miles into the sky and catching both nearby ...

Concerns about the Yellowstone National Park supervolcano erupting have not faded, despite scientific evidence suggesting such an event is unlikely in the near future. Recent research points to a ...

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 ...