A UC Davis professor's pleasure hike in the High Sierra turned into a new elevation record for California's highest tree, the ...

Tired of trimming every tree ... the Rocky Mountain white pine, limber pines are native to the Rocky Mountains in the western U.S. and Canada. They've been an important part of that landscape ...

Sun Valley Resort has been recognized as a Whitebark Pine Friendly Ski Area—a designation bestowed on only seven other U.S.

The Playboy magazine founder compared building homes near the Hollywood sign to putting "a house in the middle of Yellowstone ...

In response to warmer temperatures, mountain pine beetles start their flight season more than a month earlier than historically reported, and fly more than twice as long. When adult beetles emerge ...

It is increasingly threatened by climate change, which is leading to increased fires and mountain pine beetle outbreaks ... It’s also important to protect the places on the landscape where the tree is ...