Where Volcanoes Are Born 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 ...

A rare underwater eruption at Hunga Tonga sent water vapor into Earth’s atmosphere, cooling the stratosphere and reshaping ...

In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world’s most ...

My studying three eruptions at the Fagradalsfjall Volcano in Iceland, the team was able to show predictable and rapid microbe ...

A dormant volcano in Ethiopia erupted after 10,000 years of silence. This event shows how the world's little-known volcanoes ...

In ʻŌlelo Hawaiʻi, or the Hawaiian language, we might call them puahiohio, or whirlwinds. In meteorological terms, these ...

Tephra formed by lava fountains during the ongoing Kīlauea summit eruption has created a new puʻu, or hill, southwest of Halemaʻumaʻu Crater and visible from the public viewing areas around Kīlauea ...

The 1815 eruption produced 60 megatons of sulfur, and as a result, average global temperatures dropped by around 3°C (5.4°F).

Dec. 23, 2025 marks one year since the ongoing eruption at Kīlauea began, bringing glowing displays of lava and fountains sometimes as tall as the Empire State Building.

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around ...

The Kīlauea volcano on Hawaii's Big Island shot lava fountains as high as 1,400 feet into the air, the USGS reported.

Often spotted by onlookers in Hawai‘i Volcanoes National Park, or even by YouTube livestream viewers, the long, ashy gray or ...