While bark beetles have been slowly infesting trees in Aspen, winter won’t offer any respite. Aspen is currently home to the Douglas-fir beetle, the spruce beetle, the mountain pine beetle, Ips ...

The Emerald Ash Borer, an invasive species of bark beetle that was discovered in Colorado in 2013 and has been expanding through the state, has the potential to damage the Colorado landscape. And ...

PHOENIX — Arizona's aspen trees are an iconic symbol of fall, drawing thousands of hikers and photographers to the high country every year. However, research out of Northern Arizona University ...

As ephemeral as a sand painting in the wind, a piece of Durango’s cultural heritage is slipping away. Culturally historic carvings cut into soft-barked aspen trees by sheepherders, cowboys or ...

Aspen bark is not like the bark of a pine tree or Douglas fir or any other conifer. These white trunks don’t have that protective, rough shield. Maybe you’ve noticed even your fingernail can penetrate ...