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 ...

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, ...

Northern Arizona is famous for its aspen trees, and a multi-decade study looks into how they’re being affected by climate ...

Maybe you have been paying attention to the trees that surround Telluride and the region and have already noticed the growing ...

Pando is a quaking aspen tree found in Utah's Fishlake National Forest in Sevier County. Looking at pictures of it, you'd be forgiven for wondering which one among the hundreds of trunks is that ...