Yellowstone National Park's nearly 3,500 square miles seep slightly across state borders into Montana and Idaho, but its major attractions are contained in the northwest corner of Wyoming.

Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt ...

Yellowstone is arguably the crown jewel of our National Parks here in the US where visitors can see dramatic landscapes and ...

Wyoming; Yellowstone Airport (WYS) in West Yellowstone, Montana; and Bozeman Yellowstone International Airport (BZN) in Bozeman, Montana. Parking is available throughout the park but depending on ...

The chief scientist of the Yellowstone Volcano Observatory, Dr. Michael Poland, says he's not worried about an imminent eruption of the volcano under Yellowstone National Park.