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 ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. How and if a volcano explodes depends on how and when bubbles of ...

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

Popocatépetl emerged in the crater of other volcanoes in its current form more than 20,000 years ago and has been active ...

Far below the Pacific, a volcano long written off as geologically dead has turned out to be both active and teeming with life ...

(WJW) — You don’t see this every day. The U.S. Geological Survey (USGS) shared a video Tuesday showing what they described as a “volnado” forming near an erupting fountain of lava in Hawaii. “We know ...

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

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

If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

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

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma – and when. Until now, it was thought that gas bubbles were formed primarily when the ambient pressure ...