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 ...

Most people are familiar with the notion that "tree rings" — the concentric bands visible on a cross-section of a tree's trunk — serve as an indicator of a tree's age. Researchers at the University of ...

Scientists use tree rings to analyze centuries of droughts, climate change Scientists at the University of Arizona's tree-ring research lab study the rings to learn about climate changes throughout ...

An international team, led by Professor Chenxi Xu from the Institute of Geology and Geophysics, Chinese Academy of Sciences, has generated the first continental-scale isoscapes of δ¹⁸O TR across Asia ...

(Science Times): TUCSON, Ariz. — From the early 1700s until the 1960s, the fast moving river of wind known as the North Atlantic Jet Stream, which drives weather extremes over Europe, was pretty ...

For decades, scientists have relied on tree rings to estimate how long trees can live. But new research suggests that this widely used method may have been underestimating the lifespan of many ...

TUCSON, Ariz. (KVOA) - A new study from the University of Arizona reveals how historical tree-ring data can help predict extreme summer weather events. Researchers, led by Ellie Broadman, analyzed ...

Tree rings going back 800 years are giving researchers at the University of Arizona a window into how climate change could expand the planet’s most extreme deserts, including the Sonoran, which ...

There are ancient secrets about our planet hidden where one would least expect: in tree rings, deep in ocean beds, in the shells of crustaceans. Together, these form a vast archive of Earth’s “climate ...