The recent death of a bison at Grand Prismatic Spring is an emphatic example of the danger posed by thermal areas in ...

It happened on Saturday morning, June 21, at the park’s Grand Prismatic Spring, Michael Poland, geophysicist with the U.S. Geological Survey and scientist-in-charge of the Yellowstone Volcano ...

The Wandan mud volcano has erupted in Taiwan, sending bubbling mud shooting into the air as locals ignite ejected gases with burning rags.

The formation of Heart Mountain near Cody is a story of a block of rock the size of Rhode Island moving at 700 mph, an ...

Yellowstone tourists were sent running after a small hydrothermal explosion sent boiling water, steam and debris flying over a boardwalk in the national park's Biscuit Basin.

One hundred years ago, on June 23, 1925, a mountainside in the Gros Ventre Range in northwest Wyoming collapsed, unleashing ...