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

In Montana, fall comes any time it wants, from August to December. Crabapple, May trees, willows, grey ash, caragana hedge, mock orange and lilacs all shed their leaves, but the aspen is the star.

Science What Conservation Coalitions Have Learned from an Aspen Tree A “rag-tag” group of stakeholders garnered protections this year for a vast aspen grove on Colorado’s Kebler Pass.

The Emerald Ash Borer, an invasive species of bark beetle that was discovered in Colorado in 2013 and has been expanding through the state, has the potential to damage the Colorado landscape. And ...

Culture Aspen Archives Showcases Tree Carvings Left by Sheepherders in Colorado’s High Country On display at DU’s Davis Gallery through October 20, the exhibit tells stories of the migrant workers who ...

Populus, the country's first carbon positive hotel, will open in Denver this summer with rooms inspired by aspen trees.

At 11:26 a.m. on Saturday, a 22-year-old female skier collided with a tree on the Exhibition run at Aspen Highlands, according to an Aspen Skiing Company press release.

This is our celebrated tree of fall, the quaking aspen so named for those leaves that flicker in the breeze, twinkle in the sun and stir our souls. Maybe you didn't know that about the name ...

Pando is an ancient quaking aspen tree (Populus tremuloides) with 47,000 genetically identical stems, or tree trunks, connected to a vast underground root system. Each stem is a clone of the one ...

I’ve found aspen trees with artwork etched in the bark, likely from bored sheepherders back in the day. Aspens in general are much more abundant in this mountain range, west of the Snowy Range.

Scientists and volunteers joined forces to weed and tag quaking aspen trees. Their research on the impacts of drought could guide restoration efforts.

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 ...