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

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

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

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

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