It’s not just the lodgepole pines that are dying in the Colorado mountains. Thirteen percent of aspen trees in the state are now affected by Sudden Aspen Decline, which is caused by disease and ...

CRESTED BUTTE, Colo. — Aspen trees are the celebrities of a Colorado fall day. Think about it. People line the roads to take pictures with them. Instagram feeds from all over the state feature ...

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 — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall foliage but ...

Aspen forests help slow the spread of wildfires and could serve as fire breaks in Colorado and other southwestern states, according to a peer-reviewed study by Western Colorado University researchers.

It is the season of envy in Colorado. The all-too-brief time of year when we admire our forests in their finest states — awash in gold. It is, of course, aspen putting on the dazzling displays. This ...

FLAGSTAFF, Ariz. (AP) — 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 ...

A local homeowner is suing his neighbors over the felling of aspen trees, the third lawsuit in two years in Pitkin County to center on the removal of trees near property lines. Filed Tuesday in Pitkin ...