Aspen forest is reclaiming the skyline of Yellowstone National Park after decades of controversy over efforts to return ...

Aspen forests help slow the spread of wildfires and could serve as fire breaks in Colorado and other southwestern states, ...

A new study from Colorado State University, Western Colorado University and the U.S. Forest Service found evidence that ...

The quaking aspen (Populus tremuloides) is one of Colorado’s most iconic trees and maybe its most dramatic. With smooth white ...

Per the forest service, here are some of the more common deciduous trees (those that turn color and shed their leaves in the fall): • Quaking Aspen: These are usually found in clusters of yellow and ...

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 ...

It begins at an elevation of 9,400 feet into a dense aspen grove, which follows a steep set of switchbacks for about 1.5 miles, then mellows out for a short stretch through a shady pine forest.