With only a bit of whimsy, we have saved one of the most obvious attributes for last: Why do quaking aspen leaves quake and tremble? The leaves of this species quake, shake and tremble in the ...

The beauty of Door County’s landscape owes thanks to the variety of trees growing here. Many are native, while others have ...

We can now hear one of the largest and most ancient living organisms on Earth whisper with the tremble of a million leaves echoing ... Here, this lone male quaking aspen (Populus tremuloides ...