Perhaps you’ve wandered through a forest or strolled into a neighborhood park and found tree trunks — and wondered if counting the rings on a trunk is truly a way to know the tree’s age. “Most of us ...

The UA has plenty of special features to offer, but one of its more overlooked aspects is its abundant plant life—specifically, that of the Laboratory of Tree-ring Research. UA’s tree-ring lab right ...

“The longer you can look back, the farther you can look forward,” Winston Churchill proclaimed to the Royal College of Physicians in 1944, invoking a much older idea known as “uniformitarianism”.

Sometimes getting to where you want to go is a matter of finding the right guide. Four teams of researchers, led by Harvard Forest ecologists, searched for a patch of ancient trees deep in the woods ...