Aspen trees tend to have rough bark that ranges in color: greenish or yellowish, grey, white, or a mix. These trees are medium-sized, growing between 20 and 80 feet tall.

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 ...

An ice storm in late March damaged forests across a 12-county area in the northern part of Michigan’s Lower Peninsula.

Aspen trees are particularly vulnerable because they are linked together underground, so carving into one tree can potentially damage multiple trees. Additionally, aspen bark can photosynthesize ...

Aspen trees don’t have the same amount of salicylates as, for example, white willow, but the chemical is still present. Though used for hundreds of years, ...

Plan your fall leaf-peeping adventure in Colorado beyond the aspen. Discover what trees and shrubs produce reds and oranges, including gambel oak, cottonwoods, chokecherry bushes, Rocky Mountain ...

The Trump administration plans to rescind a nearly quarter-century-old rule that blocked logging on national forest lands.

When I think of a "cheery" tree, I think of quaking aspens. Why cheery you might ask? While there are no leaves this time of year, find one in the spring and shake a branch… the leaves tremble ...

Change is happening everywhere, but it’s how living things adapt that counts — a perfect example of this is aspen forests. A new decade-long study by University of Wisconsin researchers reveals how ...

Aspen trees can thrive in a variety of conditions including sandy soil, gravel, dry grasslands and elevations from 6,500 feet to 11,500 feet. But one thing they cannot go without is abundant sunshine.

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 ...