Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Tiny crystals suggest extinct volcanoes could still grow underground, a finding that could reshape how scientists assess eruption risk.

An underwater volcano off the coast of Oregon is gearing up for an eruption, according to volcanologists who are monitoring for activity. The Axial Seamount-- an underwater volcano located about 300 ...

Campi Flegrei is speeding toward a transition, which will either cause an eruption or a change to its underground magma ...

We know very little about the processes that lead to a reeruption of supervolcanoes such as the mostly underwater Kikai caldera in Japan (pictured) and are therefore ill-equipped to make predictions.

Episode 47 of the ongoing eruption at Kīlauea summit began Thursday afternoon with lava fountaining from the north vent in ...

The 1980 Mount St. Helens eruption remains the deadliest in U.S. history, fundamentally changing how scientists monitor ...

On Sunday, November 23, 2025, Hayli Gubbi, a volcano in Ethiopia's Afar Region, erupted for the first time in recorded history. Scientists think the last time this volcano blew was somewhere between ...