The return of wolves and other predators to Yellowstone has reduced elk browsing, allowing aspen trees to grow back for the first time in decades.

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

Aspen trees have seen better days, but gray wolves are helping them out. Yellowstone National Park isn't just home to geysers ...

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.

Matt Harris, a forest fire researcher at Western and lead-author of the study, says that two decades of data on fires across four states paints a clear picture that aspen trees have a natural ...

About 43 percent of the stands contained a new cohort of small trees, marking the first documented growth of aspen canopy foliage in northern Yellowstone since the 1940s, according to the study ...

A new study from Colorado State University, Western Colorado University and the U.S. Forest Service found evidence that stands of aspen trees could resist wildfires by slowing a fire's advance or ...

I’m pretty sure this was a quaking aspen (Populus tremuloides) or as many of us New Englanders know them, a quaking poplar. When I think of a "cheery" tree, I think of quaking aspens.