The 46-year-old man was reportedly with his daughter when he fell while hiking Indonesia's volcanic Mount Rinjani

New reports suggest the Iliamna Volcano in Alaska is rumbling after 100 years of dormancy, but NASA says an eruption isn't imminent.

A false-color satellite photo from 2023 shows a devilish pair of lava flows and an enormous plume of smoke spewing from Klyuchevskoy, the tallest volcano in Europe and Asia.

Samples of extremely small crystal clots, each polished to the thickness of a human hair or thinner, have revealed information about the process triggering the major 2006 eruption of Alaska's Augustine Volcano.

A large sulfur dioxide gas cloud is blowing toward Keflavík International Airport. Authorities have told people nearby to stay indoors and keep their windows shut as pollution levels rise. Despite this, flights are running normally and the airport remains open.