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

The National Park Service is clearing up any misconceptions on whether wildlife is migrating away from Yellowstone National ...

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

Yellowstone experts debunk viral claims of animals fleeing park due to a volcanic threat. The USGS and park rangers warn ...

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

Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the larger ecosystem of Yellowstone National Park. Long before Yellowstone ...

Yellowstone provides summer habitat for as many as 20,000 elk. The park is also home to more than 100 wolves, which prey on elk, deer, bison, and smaller mammals.

YELLOWSTONE NATIONAL PARK, WYO. – Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the larger ecosystem of Yellowstone ...

When I was younger, I worked as a seasonal park ranger in Yellowstone National Park. I worked in the youth program, where I had the privilege of taking groups of ...