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 ...

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 ...

Tree trunks are more than just wood—they’re living records of everything a tree’s been through. From growth spurts to natural disasters, tree rings and dark lines inside trunks reveal secrets that are ...

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 ...