Volcanoes can behave in strikingly different ways, even when they appear nearly identical. Some release slow, steady lava ...

Footage captured a July 30 phreatomagmatic eruption at the Taal Volcano in the Philippines, launching ash 1,476 feet into the ...

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Melting glaciers may be silently setting the stage for more explosive and frequent volcanic eruptions in the future, according to research on six volcanoes in the Chilean Andes. A study to be ...

A Yellowstone supereruption would be devastating, but scientists say it is not the volcano’s most likely threat. Here is what ...

A submarine eruption north of Papua New Guinea may be building new land while satellites track its evolution from above.

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 ...

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” ...

Around 350,000 years ago, the centre of New Zealand's North Island looked nothing like the mountainous, scrub-covered ...

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 dropped ...