Answer: Aspens are a unique tree. When we see beautiful groves of them growing wild in the mountains, we seldom look closely to observe the insects and diseases which are right there with them. They ...

Gardening season is underway, and you may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty ...

The Roaring Fork Valley experienced a spread of Douglas fir, spruce and western balsam bark beetles last year but the infestations remained light compared to many other parts of the state, according ...

On a drive from Durango to Cortez, groves of aspens house dead and dying trees, ghostly reminders of the lingering effects of a drought 20 years ago and the region’s changing climate. Sudden aspen ...

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 ...