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 ...

Climate-denying social media posts are claiming the age of trees photographed where glaciers have receded in Southeast Alaska disproves the idea that humans are driving changes to polar ecosystems.

For wildlife, not all trees are equal. Large old trees have many horizontal and dead limbs for perching, and many fissures or hollows for sheltering. By contrast, younger trees have far fewer such ...