Gardening season is underway, and you may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty ...

FLAGSTAFF — As flurries started to descend on the forest floor, a team of researchers examined a stand of sickly quaking aspen trees off U.S. Highway 180, just north of Flagstaff. To an untrained eye, ...

The largest single organism in the world could soon fracture into smaller pieces. According to research published in the journal Conservation Science and Practice, this enormous forest organism, known ...

Waring and her fellow researchers say the threat to aspens, the most widely distributed tree in North America, is so great that there could be a future where aspens no longer grow in the Southwest.

The Roaring Fork Valley experienced a spread of Douglas fir, spruce and western balsam bark beetles last year but the infestations remained light compared to many other parts of the state, according ...

BRECKENRIDGE — In Vail, when lodgepole pines were cut to create a wildfire buffer zone between neighborhoods and the forest, several kinds of trees and plants repopulated the area in the years that ...