Millions of people head to Yellowstone National Park each year, making traffic through popular areas a major problem for the ...

The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects ...

Yellowstone National Park is used to rule-breakers, but usually it's the tourists pushing their luck, not one of their own employees.

This less-visited Wyoming wilderness area, known as 'The other volcanic range' in Yellowstone, is known for stunning mountain ...

Yellowstone National Park now charges international visitors $135 for week-long passes while U.S. residents pay $35, ...

Lassen Volcanic National Park, about a four-hour drive north of San Francisco, feels like a secret getaway.

Yellowstone is considering three permanent routes to replace its flood-damaged North Entrance Road, with a hybrid “center alignment” emerging as ...

Another wolf from Yellowstone National Park's famous Junction Butte Pack killed in Montana is being investigated as a ...

No one in their right mind would try to break up a fight between two moose. In case you were wondering, moose often battle with one another over territory or a potential mate, and though many would ...

If you don't get to see it, there are more than 500 active geysers located within Yellowstone National Park, including Old Faithful. Established in 1872, Yellowstone National Park was the world's ...

A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...