Hydrothermal activity detected for the first time in the underwater volcano between Tenerife and Gran Canaria. Experts issue warning.

Triggering earthquakes and spewing magma and hot ash out of the ground, volcanoes are known for producing some of the most catastrophic natural disasters. These mountains are typically formed by plate ...

Predicting volcanic eruptions early enough to warn authorities and nearby communities remains one of the biggest challenges in volcanology. A study ...

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 ...

Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news stories. But despite the jolts and temblors, geologists say there's ...