Add Yahoo as a preferred source to see more of our stories on Google. After decades of decline, the aspen forests of northern Yellowstone are finally making a comeback, and believe it or not, it’s all ...

Add Yahoo as a preferred source to see more of our stories on Google. FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike ...

Learn more about why the story of how wolves saved Yellowstone National Park’s aspens is more complicated — and more instructional — than it appears.

Long ago, Hispanic sheepherders carved names, dates and drawings into Valles Caldera’s aspens. Can a small team of surveyors record the etchings before they disappear?

Aspen trees are getting a boost from wolves at Yellowstone National Park, new research suggests. For the first time in 80 years, baby aspens are growing tall and healthy in the northern part of the ...

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 ...

Question: What’s the difference between a popple tree and an aspen? I hear the terms used interchangeably. Answer: Popple (or poplar) are common names for aspen trees because their genus is populus, ...

It is the season of envy in Colorado. The all-too-brief time of year when we admire our forests in their finest states — awash in gold. It is, of course, aspen putting on the dazzling displays. This ...