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 ...

Rivers of lava flowed down several vents of the Halemaʻumaʻu crater on Hawaii's Kilauea volcano overnight Monday — the latest ...

A supermassive black hole is reawakening inside a distant galaxy cluster—and after almost 100 million years of slumber, ...

A new video from Japan’s maritime authorities captures an underwater volcano bursting through the sea surface in a violent ...

An eruption at one of Hawaii’s most famous volcanoes produced an unexpected and mesmerizing effect. When Halemaʻumaʻu crater ...

Episode 40 of the ongoing Halemaʻumaʻu eruption ended abruptly at 6:04 p.m. HST on Jan. 12 after 9.7 hours of continuous lava ...

Kīlauea summit region shook for 5 hours Nov. 14 that year as magma made a path to the surface. The eruption began at 8:08 p.m ...

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 ...

Mount Etna is Europe’s most active volcano and the continent’s largest. It attracts hikers and backpackers to its slopes, ...

The Philippines has evacuated nearly 3,000 villagers from a danger zone on the foothills of the Mayon Volcano after officials ...