This is our celebrated tree of fall, the quaking aspen so named for those leaves that flicker in the breeze, twinkle in the sun and stir our souls. Maybe you didn't know that about the name ...

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

Aspen trees aren't just a pretty sight in the fall, they could also be a valuable tool for crews as they fight wildfires in ...

Explore 12 top fall trail races across the U.S. that offer peak autumn foliage, crisp weather, and unforgettable scenic ...

Twelve years after the Aspen Fire roared over the Catalina Mountains, once-blackened slopes are showing expanses of bright green new growth — a heartening sign that the forest is on the road to ...

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

An aspen leaf hangs from a tree as the bright yellow landscape of Rabbit Ears Pass fills the background on Oct. 2, 2023. John F. Russell/Steamboat Pilot & Today ...

This spreading network of natural habitat formed through asexual reproduction revealed genetic data that proved it to be the ...

Aspen has a long history of supporting trees in the community. In order to remove trees in Aspen — any native tree with a trunk width of at least three inches or measuring four and a half feet from ...

Why are they banned?: Bradford pears are banned in Ohio. Learn why, what they look like, what to plant instead 2. Aspen tree As the weather cools down, the tall Aspen turns into a brilliant gold.