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, ...

I was up in the White Mountains this weekend, walking out to my car in the AMC’s Highland Center parking lot after a hike, and there between the buildings and the cars was a gorgeous aspen tree ...

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 ...

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.