Horizontal cross sections cut through a trunk of a tree can tell us a little about the history of a tree in its own time ...

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 ...

There are a couple of things to consider before scientists survey trees. First, they must find a site where humans haven’t affected the area with logging or other research. Then they pick a group of ...

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 ...

If you cut down a tree, you can read in the wood an environmental record. Now climate change is complicating the narrative. In a basement in Tucson, Ariz., slices of tree trunks stand on shelves. They ...