Aspen is home to about 12,000 trees, the majority of which are native trees: aspen 24%, narrowleaf cottonwood 27%, and spruce 17%. “At 8,000 feet, we are limited to what we can grow,” he said. “There ...

A 2019 study concluded that trees are one of the most cost-effective ways to combat climate change. The researchers estimate a trillion trees are needed on Earth, in addition to the current 3 trillion ...

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

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 ...

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 ...

ASPEN – Hikers and bikers will have to deal with more wind-blown trees than usual blocking trails in the mountains around Aspen, Basalt and Carbondale this spring, a forest ranger said Wednesday.

Nonetheless, city officials say Aspen may have too many of these leafy giants. “I like to call it our ‘best worst tree,’” said Aspen’s city forester, David Coon.

Watch out for falling trees! While they seem benign, negligence can result in preventable injury, so use this guide to learn how to protect yourself. Watch out for falling trees!

ASPEN – More than 100 trees have died or are stressed along Highway 82 at the entrance to Aspen. A change in a multimillion-dollar project involving a water pump at the bottom of a pond at the golf ...

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.

A gang of Western tent caterpillars have taken up residence in acres of aspen trees north of Durango in the San Juan National Forest. The insects construct their silken tents on aspen tree ...

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 ...