On the shoulder of Kebler Pass, about seven miles west of Crested Butte, a giant lounges in the Colorado high country. The Kebler Pass aspen stand covers the equivalent of just over 100 football ...

For 30 years, Aspen has held the title of Tree City USA, one granted by the Arbor Day Foundation to communities that meet four requirements: The city must maintain a tree board or department, meaning ...

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found. Quaking aspen, one of the few deciduous tree species ...

A 20-year study of aspen tree growth has revealed some alarming results. The critical tree species is remarkably adaptable when mature, but the same is not true for younger aspens. As the climate ...

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 ...

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 ...