A new study finds that aspen trees slow wildfire spread and may help protect vulnerable communities in fire-prone areas.

A new study from Colorado State University, Western Colorado University and the U.S. Forest Service found evidence that ...

CRESTED BUTTE, Colo. — Aspen trees are the celebrities of a Colorado fall day. Think about it. People line the roads to take pictures with them. Instagram feeds from all over the state feature ...

Aspen trees provide a rich habitat for birds, elk, deer and other animals. The grasses that sprout under them -- up to 2,000 pounds per acre -- hold water that is needed by metropolitan areas.

— the most widespread tree in North America — are disappearing across the western United States. Eastern Idaho's aspen community, once estimated to cover 40 percent of eastern Idaho's forested ...

Aspen trees reproduce not only by seed but also by extensive suckering. A grove of aspens in the mountains may have started as suckers off the roots of an original “mother” tree that arrived ...

FLAGSTAFF — As flurries started to descend on the forest floor, a team of researchers examined a stand of sickly quaking aspen trees off U.S. Highway 180, just north of Flagstaff.

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 ...

The eating frenzy leaves large swaths of aspen trees bare of foliage. If the caterpillars don’t show up over several successive years, the trees should refoliate.

Q. I live in the foothills of Albuquerque, just above Tramway Blvd. As others have, I planted aspen trees in our yard. I tilled in a good amount of compost throughout the yard and the tree roots ...

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 ...