The primary driver of decreased elk browsing pressure and increased aspen tree regeneration was a reduction in elk population density." ...

Two weeks into the journey, as the expedition party passed through a landscape of boiling ... Grant signed the bill creating Yellowstone Park, the first national park in the history of the world.

It’s been the staple of various film or TV show plots, though some might remember it more specifically as being the devious ...

Mounting development is a grave threat because of how it is carving up an ecosystem that must stay relatively intact to ...

Montana’s Yellowstone Country is home to three of the five entrances to Yellowstone: the West, North, and Northeast Entrances ...

Bordered to the south by the Yellowstone and Lamar river basins, the Northern Range contains about 20 black bears for every ...

The $118 million project to replace the Yellowstone River Bridge requires "an orchestra of coordination." But the new ...

For an unforgettable visit to America's oldest national park, consider a guided tour ... Observe the wildlife and landscape of Yellowstone on this full-day, small-group tour, during which ...

Natalie Behring for The New York Times Natalie Behring for The New York Times “We can figure out where people are moving on the landscape ... signed the Yellowstone National Park Protection ...

At the Interagency Bison Management Plan meeting, held on Oct. 29 in Missoula, the debate over Yellowstone National Park's ...

Though millions flock to the Grand Canyon and Yellowstone every year, this remote U.S. national park sits ... comprise a ...