The cool, crisp air of autumn is on its way. Here's what to know for the fall leaf-peeping season in Colorado.

It's best in sun but can take part shade. Brilliant sumac adds to the fall color mix in Rist Canyon west of Fort Collins, Colo., as shown in this Sept. 8, 2021, photo.

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

Colorado Front Range town of Loveland. Karthika Gupta. If Colorado conjures images of packed trailheads, bustling breweries, ...

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

Here are some pro photography tips and examples of fall color snapshots for November's Reader Photo Challenge. You can enter through Nov. 26.