Yellowstone, a popular tourist destination and namesake of an equally popular TV show, was the first-ever national park in ...

The Yellowstone Caldera, spanning Wyoming, Idaho, and Montana, is among the most seismically active volcanic regions on Earth ...

An earthquake 'swarm' comprised of hundreds of miniature earthquakes hit Mt. Rainier and the Cascade mountain in July.

Scientists are holding their breath as hundreds of earthquakes rattle one of America's most dangerous volcanoes, which loom ...

Certainly not Ron Wyden. But he’s one of many reasons, in addition to the aforementioned birthday card, why this is not going ...