The Hunga Tonga volcano has erupted explosively again, causing widespread concern and triggering a tsunami across the Pacific ...

Recent research reveals that Yellowstone’s magma chamber contains significantly more liquid magma than scientists previously estimated, suggesting that the supervolcano might be closer to erupting ...

Despite monitoring systems, eruptions remain difficult to predict. And some tour guides say visitors who choose to explore volcanoes do so at their own risk.

In 1669, in what has been considered the volcano's worst known eruption, lava buried a swath of Catania, about 15 miles away ...