Tree rings serve as a natural archive detailing past environmental conditions and events. Scientists use these annual growth ...

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 ...

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 ...