Yellowstone has long been a magnet for both surprises and anxiety. It is a geothermal wonderland of geysers and hot springs standing on top of one of the planet’s most powerful volcanic systems.

Geologists monitoring the Yellowstone supervolcano and adjacent western US volcanic systems have detected increased ground ...

A volcano that erupted after being asleep for more than 100,000 years is leading more volcanologists to say we must redefine ...

Scientists are tracking changes at the giant supervolcano that lies under Yellowstone National Park, but they say there's no need to worry at the moment. “The western part of the Yellowstone caldera ...

Will Yellowstone erupt or are we blowing things out of proportion? We may have underestimated Yellowstone’s potential to blow its stack in the future. Chinese scientists have made a disconcerting find ...

The Black Diamond Pool in Yellowstone National Park erupted Wednesday, sending plumes of steam and muddy debris hundreds of feet into the air. The latest eruption marks the second time the pool has ...

Supervolcanoes like Yellowstone sit right above bodies of magma, and most show evidence of past eruptions. Researchers used ambient noise tomography and image vibrations to analyze a region of Tuscany ...