A supervolcano is located at Yellowstone National Park. Here's what happens to North America and the rest of the world if ...

Hidden beneath the Philippine Sea, this colossal supervolcano features a caldera an impressive 150 km (93 mi) in diameter, making it the largest known caldera in the world, even larger than ...

If the Yellowstone supervolcano were to erupt — and there’s no indication that will happen any time soon — Billings residents could be up to their chins in ash.

The eruption shot ash several kilometers into the air. Trump Promised ‘No Tax on Tips.’ Then Came the Fine Print. I spent $12.50 for a day inside California's new gigantic hotel A boy saved by barbed ...

International visitors will soon have to pay an added surcharge to visit Yellowstone, Yosemite and other iconic U.S. national ...

From asteroids the size of football stadiums to nuclear war and man-made pandemics, it can seem as if humankind is in ...

These parks in Minnesota, Colorado, Florida and other states are too often overlooked by travelers. Here's why you should add ...

Wyoming is not a hotbed of natural disaster compared to some coastal or tornado-prone regions, but it does face a range of ...

Christmas came early for geologists at Yellowstone National Park this April when a regularly scheduled survey resulted in ...

Experts are warning that hundreds of dormant volcanoes around the world will likely become more active and erupt thanks to ...

The most recent eruption at Yellowstone happened about 630,000 years ago. It was massive and left a giant crater known as a caldera.

Yellowstone National Park's geological history is one of the most intensely studied in North America. A new geologic unit ...