BILLINGS – The picturesque Lamar Valley in Yellowstone National Park is a stronghold for wild bison. Spread out across the verdant grasslands, the animals allow visitors from around the world to ...

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found. Quaking aspen, one of the few deciduous tree species ...

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 ...

New research from Western Colorado University shows that the long-held conventional belief about aspen trees being resilient to wildfires is more than just an anecdotal assumption. Matt Harris, a ...

I was up in the White Mountains this weekend, walking out to my car in the AMC’s Highland Center parking lot after a hike, and there between the buildings and the cars was a gorgeous aspen tree ...

Last week, Julie Korb was hiking around the mountains of Telluride when she came by an unfortunate sight. It was an aspen tree, not one yet showing off the shiny leaves we seek this time of year.

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 ...

When we walked with a colleague into an aspen forest near Madison, Wisconsin, in the early spring of 2021, we expected to finalize our plans for a research project on several species of insects that ...