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.

Looking for relief from the sun? These seven fast-growing shade trees are perfect for creating a cooler, more comfortable backyard in a short time.

The Emerald Ash Borer, an invasive species of bark beetle that was discovered in Colorado in 2013 and has been expanding through the state, has the potential to damage the Colorado landscape. And ...

A late March ice storm hit 12 counties in northern Michigan, downing or damaging three million acres of trees. The state's ...

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 ...

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 ...

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.

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 ...