Angel Watkins and co-workers in Colorado blame many culprits in the decline of the Aspen. JT Thomas It's a relentlessly sunny day in the Rocky Mountains, and here at 9,000 feet, on the Grand Mesa ...

We can now hear one of the largest and most ancient living organisms on Earth whisper with the tremble of a million leaves ...

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 ...

The ability of aspen to produce whole stands of "trees" vegetatively provides yet ... Why do quaking aspen leaves quake and tremble? The leaves of this species quake, shake and tremble in the ...

It has small rounded leaves with very small teeth along the margin ... Full article also can be viewed with Purdue Forestry and Natural Resources News: Trees of Indiana: Quaking Aspen.

DENVER (KDVR) — A Colorado-based company is installing a new art exhibit on the 16th Street Mall to make it look like a canopy of aspen trees is growing across the strip. On Monday, the Denver ...

Cottonwoods, along with related big-toothed and trembling aspens, are poplars — some of New England’s fastest-growing tree pioneers.