These fast-moving mudflows can devastate towns in a matter of minutes.

Scientists have collaborated to analyze the inner workings of Bolivia's 'zombie' volcano, Uturuncu. By combining seismology, physics models and analysis of rock composition, researchers identify the ...

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Natural disasters, from wildfires, floods and mudslides in western states to large earthquakes in Japan, have rocked, burned and flooded parts of the world in the first months of 2025. What’s next?

As volcanoes go, the eruption of Iceland’s Eyjafjallajokull on Tuesday, April 13, won’t make the science books. Though scientists haven’t yet been able to gather enough information on the eruption to ...

The 2009 eruption of Sarychev Peak Volcano, Kuril Islands, viewed from the International Space Station. A new study says that a similar eruption was behind a cooling event with worldwide effects 200 ...

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” ...

An earlier version of this story was published in 2024. It looks like just another hill in Sussex County, but you wouldn’t have wanted to have been standing there 420 million years ago. That’s about ...