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 ...

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

The archive building will be the first new facility for the tree-ring lab, which has spent its entire 70-year history in offices and research space crammed underneath the west side of the football ...

Research conducted by UA researchers over the last two years has doubled the previous knowledge researchers had about climate variability in the Upper Colorado River Basin. A recent project conducted ...

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, ...

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 ...

A scientist is tracing nearby supernova explosions back in time using an unexpected historical record: sudden spikes in radiation recorded in tree rings here on Earth. Tree rings provide a record of ...

"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, ...

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 ...