Populus tremuloides, the quaking aspen of the North American continent, stands as one of the most easily recognized, most beautiful and most admired of all tree species. In order to help ...

The U.S. Postal Service launched its Vibrant Leaves postcard stamps on March 17, 2025, celebrating the vivid hues of fall ...

The forest made of a single tree known as Pando ("I spread" in Latin ... Here, this lone male quaking aspen (Populus tremuloides) gradually grew into a massive 6,000 metric tons of life, making ...