As part of ongoing monitoring efforts to document recovery of grizzly bears in the Greater Yellowstone Ecosystem under the ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem ...

In the photos, the park ranger is seen kneeling down from the boardwalk near Old Faithful, Yellowstone's geyser that is ...

Licking Heights sixth grader Eva Haylett was named the only student from Ohio to win the America250 national travel ...

U.S. Geological Survey analysis using demographic data from 13 Greater Yellowstone Ecosystem elk herds suggests few overall ...

Scientists documented the first new generation of aspen trees in Yellowstone this summer, 30 years after wolves were ...

Aspen forest is reclaiming the skyline of Yellowstone National Park after decades of controversy over efforts to return ...

Yellowstone National Park, mostly located in Wyoming, is home to hundreds of species of birds, fish and mammals such as bison, elks, grizzly bears and mountain lions. But these animals are not on the ...

Three decades after wolves were reintroduced in Yellowstone National Park, aspen stands are recovering, a new analysis ...

A decline in Yellowstone cutthroat trout in Yellowstone National Park has been linked in a study to an increase in predation by grizzly bears on elk calves.

BILLINGS – Although elk infected with brucellosis freely roam southwestern Montana and have been responsible for infecting cattle with the disease, “bison in Yellowstone present a much higher ...