Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help ...

Construction near the Math East building and the Highland Bowl will lead to a brand-new home for the Laboratory of Tree-Ring Research by the end of the year. Once completed, the Bryant Bannister ...

The Bannister Building looks distinct among the typical red-brick buildings on campus, yet students walking by, preoccupied by their phones and classes, fail to notice the 40-foot-long steel columns ...

TUCSON, Ariz. (KGUN) — What do trees and fish have in common? It’s an important question the University of Arizona is answering. The school’s Laboratory of Tree-Ring Research (LTRR) is the world’s ...

TUESDAY, Dec. 23, 2025 (HealthDay News) — Trees don’t just clean the air, they also keep a quiet record of the past. New research suggests that tree rings may help scientists uncover missing pieces of ...

Thomas P. Harlan, long-time research associate and dendrochronologist at the University of Arizona’s Laboratory of Tree-Ring Research (LTRR), early member of the Southern Arizona Rescue Association, ...

Columbia University, New York, New York--The National Science Foundation (NSF) has awarded the Tree-Ring Laboratory of Lamont-Doherty Earth Observatory, Columbia University, a $5.5 million grant to ...

"We're in uncharted territory here," an Indiana University professor said as he looked at the peaks in his data. Dr. Justin T. Maxwell is an associate professor of geography at Indiana University, ...

If a tree's rings are studied in a lab but no one hears them, do they make noise in the climate movement? An associate professor of oboe at the University of Arizona wondered. It led her to team up ...