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

The apex predators, restored to the park in 1995, appear to be keeping the local population of plant-eating elk in check, ...

Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young ...

Yellowstone National Park is celebrating an ecological milestone along with a key anniversary this summer, Oregon State ...

For the first time in 80 years, a new generation of fully-fledged aspen trees has grown in Yellowstone’s northern range.

After a drought of new aspen growth in Yellowstone's northern range, wolves appear to have flipped the script for these ...

For the first time in 80 years, aspen trees are thriving in Yellowstone National Park in the US, due mostly to the ...

These territorial canines, who live and hunt in packs, were reintroduced to the national park 30 years ago. It’s good news for the park’s quaking aspen.

Yellowstone National Park is celebrating an ecological milestone along with a key anniversary this summer, Oregon State University ...

Yellowstone is already having a record-breaking summer for visitation. About 4 million people come every year, including this family duo. Every summer, Haver and Browning stay in Cooke City, Montana, ...