UC Davis Professor Hugh Safford was hiking for pleasure in California's High Sierra when he stumbled upon a new elevation ...

Scientist finds Jeffrey pine trees at record mountain heights, suggesting climate-driven shifts in Sierra Nevada.

Millions of trees flourish on Nebraska’s once treeless plains and in the heart of the Arbor Day state, one tree stands tall ...

The U.S. Forest Service is providing notice that it plans to reissue a final environmental review and draft decision on a contested transfer of land in Arizona that would clear the way for a massive ...

Coconino County is no stranger to fires, from the Pipeline Fire to the Schutze Fire, causing hundreds of millions in damages.

Do you know that April 18th is Colorado Arbor Day and National Arbor Day is April 25th? So I’m wondering if you’re going to plant a tree in celebration. Maybe ...