Wyoming offers some of the most breathtaking natural wonders and thrilling adventures in America. From geysers shooting high ...

An underground hydrothermal explosion at Yellowstone National Park sent visitors running for their lives Tuesday morning as a massive black mushroom cloud of steam and debris rose hundreds of feet in ...

Beneath Yellowstone National Park lies a complex and extensive volcanic system. More geological changes are occurring at Yellowstone National Park, as another hole forms in one of the park's basins.

A 17-year-old tourist visiting Lone Star Geyser in Yellowstone National Park suffered significant burns to his foot and ankle after breaking through the crust of the thermal pool. This marks the first ...

Five people are safe after the sports utility vehicle they were riding in went off the road and into an inactive hot, acidic geyser in Yellowstone National Park, officials said Friday. The passengers, ...