Like careful note-takers during the past 1,250 years, Engelmann spruce trees high in the Yellowstone National Park backcountry have left behind a record of how harsh summer temperatures have been. A ...

After reviewing 40 trees across three counties, the Colville National Forest has selected the tree that come December will grace the lawn of the Capitol building in Washington D.C. “It’s a very ...

Timber and bug experts have begun an intensive study of a giant blowdown of Engelmann spruce and aspen trees, estimated to cover 600 to 700 acres, in the headwaters of North Thompson Creek. The ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. In the middle of the last century, Montana produced more than 4 million Christmas trees. The ...

Banner image: A forest in the San Juan range of the Rocky Mountains, with dead Engelmann spruce trees alongside live aspen trees. (Credit: Robert Andrus) Bark beetle outbreaks and wildfire alone are ...

If the climate continues warming as predicted, spruce beetle outbreaks in the Rocky Mountains could become more frequent, a new multi-year study led by Colorado State University finds. While insect ...