One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

Imagine waking up one morning to news that a massive volcanic eruption has shaken a remote region with absolutely no advance notice. This isn't science fiction. It's happening right now around the ...

MOUNT ETNA, Italy (AP) — Guides who take tourists to enjoy the striking views of Sicily’s Mount Etna are up in arms over tougher restrictions imposed by local authorities after a round of eruptions at ...

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 ...

A growing body of peer-reviewed research is giving scientists new tools to isolate the distinct climate signals left behind by volcanic mega-eruptions and extreme wildfires, two forces that can alter ...