When you think of a Yellowstone eruption, you probably picture a massive, caldera-forming explosion. But new research is shifting that focus, revealing that the supervolcano's most recent known ...

The earth's rumbling beneath Yellowstone, but don’t worry; scientists are keeping a close eye on that supervolcano and its ...

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around 9:23 a.m., a powerful mud eruption took place at the Black Diamond Pool in ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its ...

Yellowstone National Park sits above one of the most extensively studied volcanic systems on Earth. Beneath its forests, geyser basins and river valleys lies a vast accumulation of partially molten ...

University of Birmingham volcanologist Mike Cassidy argued that the biggest danger could come, not from Yellowstone and Mount Etna, but from hidden volcanoes that appear dormant and are barely ...