This summer has been hot. Too hot. We are in a stage 2 drought in the Roaring Fork Valley, in a drought pattern that stretches back 20 years. When I started to research what the impact of the drought ...

Aspen forests help slow the spread of wildfires and could serve as fire breaks in Colorado and other southwestern states, according to a peer-reviewed study by Western Colorado University researchers.

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 ...

Yellowstone's wolves are helping a new generation of young aspen trees to grow tall and join the forest canopy — the first new generation of such trees in Yellowstone's northern range in 80 years.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DENVER ...

On one of the friendliest platforms imaginable, a ferocious battle rages. While mowing its way through the surface of a trembling leaf, an aspen leaf miner meets one of its kind. Instead of offering a ...

Colorado State Forest Service entomologist Dan West says the first reports of yellowing aspen leaves started in mid-August. By late last week, as sightings of possible fall foliage continued across ...