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 ...

To carve an aspen tree — to take a blade to the trunk for the sake of your initials, for example — is to do harm. Harm to a being with a life expectancy much like our own: 100 years, if we’re lucky.

On the shoulder of Kebler Pass, about seven miles west of Crested Butte, a giant lounges in the Colorado high country. The Kebler Pass aspen stand covers the equivalent of just over 100 football ...

Now that Thanksgiving and opening day are behind us and the holiday season is underway, it’s time to start thinking about putting up those Christmas trees. There are great local options to pick up a ...

Aspen trees are getting a boost from wolves at Yellowstone National Park, new research suggests. For the first time in 80 years, baby aspens are growing tall and healthy in the northern part of the ...

An infestation of aphids and other bugs is putting Aspen's cottonwoods under extreme stress and causing their leaves to die earlier than normal, according to local tree experts. "This is the worst ...