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, ...
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 Southern Maryland Chronicle on MSN13d
USPS Debuts Vibrant Leaves Fall Stamps
The U.S. Postal Service launched its Vibrant Leaves postcard stamps on March 17, 2025, celebrating the vivid hues of fall ...
Morningstar16d
Vibrant Leaves Fall Onto Postcard Stamps
Each stamp showcases a single leaf from the aspen, sassafras, oak, maple and sweetgum trees. Antonio Alcalá, an art director for USPS, designed the stamps using existing photographs. "I am ...