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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have known for some time that tree rings record the history of avalanches. Now a new method allows them to study the ...

Sunlight filters through the canopy of pines, holly, sweet gum, and red maple while bird calls echo in the distance. These coastal forests may seem like others in the Mid-Atlantic, but a hidden ...

New research has found that some tropical trees in the Peruvian Amazon can be used to monitor mercury pollution from gold mining, offering an alternative to expensive air monitors. Previous research ...

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 ...

A new study leveraging 20,000 tree-ring records and nearly 150 scientists' contributions from across the globe shows that, while droughts appear to have had a modest impact on tropical tree growth in ...

The new University of Arizona study showing that shallow faults near Seattle ruptured in late 923 or early 924 A.D. is ...