Prescribed burns are common tools for land managers, but researchers say Indigenous burning went beyond that, using fire as a land stewardship tool to care for the environment. Tree rings are ...

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 ...

The top of a historic tree in Oregon is on fire, and investigators are trying to figure out how it happened. The Doerner Fir, a Douglas fir tree that was believed to be about 450 years old and 325 ...

For those who can read them, tree rings offer a glimpse into the past. Christopher Roos is one of those people, and he’s using them to shed light on a story that reveals how Western Apache tribes have ...