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

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

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

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 ...

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

Aspen forests help slow the spread of wildfires and could serve as fire breaks in Colorado and other southwestern states, ...

But the situation began improving following the reproduction of gray wolves in 1995-1996, as these animals supplemented the predation efforts of bears, cougars and human hunters outside the park, per ...