Aspen’s history is a dense saga – a multiple-plot short story that can bewilder the reader trying to follow all of the action. Its human players have been and still tend toward the colorful, creative ...

It’s not just the lodgepole pines that are dying in the Colorado mountains. Thirteen percent of aspen trees in the state are now affected by Sudden Aspen Decline, which is caused by disease and ...

Add Yahoo as a preferred source to see more of our stories on Google. FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike ...

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 ...

Aspen bark is not like the bark of a pine tree or Douglas fir or any other conifer. These white trunks don’t have that protective, rough shield. Maybe you’ve noticed even your fingernail can penetrate ...

The contrast of the smooth, pale gray bark and bright orange leaves of aspen trees in the fall is a sight to behold in Arizona's higher elevations. But this beautiful display is under threat from an ...