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 — 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, ...

DENVER (KDVR) — What changes colors, shakes and covers five million acres of Colorado? Quaking aspen trees — they’re a “symbol of the Colorado high country,” according to Colorado Encyclopedia. The ...