The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found. Quaking aspen, one of the few deciduous tree species ...

I was up in the White Mountains this weekend, walking out to my car in the AMC’s Highland Center parking lot after a hike, and there between the buildings and the cars was a gorgeous aspen tree ...

After decades of decline, the aspen forests of northern Yellowstone are finally making a comeback, and believe it or not, it’s all thanks to the return of certain carnivores. A new long-term study has ...

Colorado State Forest Service entomologist Dan West says the first reports of yellowing aspen leaves started in mid-August. By late last week, as sightings of possible fall foliage continued across ...

It is the season of envy in Colorado. The all-too-brief time of year when we admire our forests in their finest states — awash in gold. It is, of course, aspen putting on the dazzling displays. This ...

Aspen forests help slow the spread of wildfires and could serve as fire breaks in Colorado and other southwestern states, according to a peer-reviewed study by Western Colorado University researchers.