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 ...

The sound of quaking aspen leaves rustling in the wind. The way the sunlight falls through conifer branches. The sound of the ...

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 ...

The sight of innumerable topaz leaves trembling in the declining autumn sun is one reason the tourist season that used to run in the summer and then the winter is now bleeding into fall. But another ...

In a surprising discovery within Kids Camp at Kaniksu Land Trust’s Pine Street Woods, students from Washington Elementary ...