On the shoulder of Kebler Pass, about seven miles west of Crested Butte, a giant lounges in the Colorado high country. The Kebler Pass aspen stand covers the equivalent of just over 100 football ...

Starting in 2020, a team of scientists from University of California, Berkeley went on a scavenger hunt that lasted for years. Their mission: Bring back live aspen roots from across the country. With ...

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.

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall foliage but ...

For 30 years, Aspen has held the title of Tree City USA, one granted by the Arbor Day Foundation to communities that meet four requirements: The city must maintain a tree board or department, meaning ...

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Ready your iPhones and picnic blankets: Colorado’s leaf peeping season is here. As summer wanes and fall approaches, pockets of yellow aspen trees are becoming more and more abundant. Within weeks, ...