Invasive caterpillars can make aspen forests more toxic for native insects—ecologists explain how
From May through June 2021, spongy moth caterpillars ate nearly every green leaf in our aspen forest. By early July, however, ...
Vibrant Leaves Fall Onto Postcard Stamps
The U.S. Postal Service celebrates the colorful sights of autumnal walks with the release of five new Vibrant Leaves postcard stamps. Each stamp showcases a single leaf from the aspen, sassafras, oak, ...
Nature5y
Case Study: The Glorious, Golden, and Gigantic Quaking Aspen
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 Aspen Times14d
Asher on Aspen: Aspen’s Palm Tree Festival turns up the heat
I slammed my laptop shut and zoomed out the door — escaping the office for a weekend of nonstop music. The brisk winter air ...