Young aspens often don't survive because of factors such as grazing elk, according to a study by Northern Arizona University researchers.

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 ...

From May through June 2021, spongy moth caterpillars ate nearly every green leaf in our aspen forest. By early July, however, the trees grew another full set of leaves. A second aspen forest of ...

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 ...