Learn more about the new hydrothermal feature that appeared last summer in Yellowstone National Park, and how, even though it went dormant over the winter, it could appear again this summer.

International visitors will soon have to pay an added surcharge to visit Yellowstone, Yosemite and other iconic U.S. national ...

Grant Village Lodge in Yellowstone National Park is named after Ulysses S. Grant, the 18th. President of the United States.

Canyon Lodge is the largest National Park Service lodge in Yellowstone National Park, with more than 500 rooms and cabin ...

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

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 ...