Beneath the spectacular landscapes of Yellowstone National Park lies seismic activity far more intense than previously ...

The Petrified Forest holds trees buried by volcanoes 50 million years ago, while Yankee Jim features some of the oldest ...

There is no evidence of a mass exodus of animals fleeing Yellowstone, a spokeswoman for the US national park in Wyoming told ...

Native American groups were aware of the region’s dramatic features. Since the national park’s creation, other faiths have ...