The rain and snow Colorado picked up this week may have helped chip away at drought conditions, but tree experts say one wet ...

Colorado pine beetles munched their way through 150% more ponderosa in 2025, and the emerald ash borer spread through the state.

The warmest winter in Colorado history could lead to record-breaking proliferation of a tiny insect, about the size of a grain of rice, that has killed millions of acres of trees across the Centennial ...

Vast swaths of the ponderosa pine forests that blanket Colorado’s Front Range mountains could turn rust-colored and die over the next five years as pine beetles begin to spread aggressively, new ...

Colorado leaders are sounding the alarm on a growing pine beetle outbreak that experts say could kill millions of trees and significantly increase wildfire risk near some of the Centennial State's ...

The terrifying beetle-kill headlines from the mid-2010s were as relentless and depressing as the swaths of rust-red dead lodgepole on your favorite drives or hikes in Grand County. Coloradans wondered ...

As you looked out the windows of your house this winter at all the dormant and barren deciduous trees in your landscape, perhaps you thought that a little green would be a nice addition this year. But ...

Colorado’s warm and dry winters have tipped the balance in a long-running ecological tug-of-war. The mountain pine beetles, native insects to the Centennial State, have recently exploded in numbers in ...