The latest assessment of forest health in Colorado shows the Aspen area is experiencing a steady spread of infestation from Douglas fir beetles, but Pitkin County overall is faring much better than ...

One tree in Central Oregon has helped protect iconic whitebark pine trees across the West. Scientists have sequenced the tree’s genome, a genetic map, that scientists help plant more resilient trees ...

A lone sugar pine, rising behind a North Shore neighborhood near Brockway Summit, is bursting with yellow-orange blisters ” a sign that the tree will likely die within the coming year. Like the canary ...