Montana is suing Yellowstone National Park over a plan to increase the number of bison in and around the park and establish ...

As a plaque near the park’s Madison Information Station reads:  “Here at the junction of the Firehole and Gibbon ...

For 17 years Wallen was the team leader of Yellowstone National Park’s bison ecology program. He retired six years ago and in ...

Grant signed the bill creating Yellowstone Park, the first national park in the history ... for the elk and buffalo by conforming the park's boundaries to their seasonal migrations.

After years of negotiations and threats of development, Wyoming will sell a prized piece of land so that it can be preserved ...

A long-simmering battle between Yellowstone National Park officials and the Gianforte administration in Montana came to a ...