After 75 years in temporary space, the Laboratory of Tree-Ring Research is awaiting the final touches on its new location. The lab inhabited the western part of Arizona Stadium since Andrew Douglass ...

The University of Arizona men’s basketball team (21-0, 8-0 in Big 12) defeated No. 13 BYU 86-83 on the road in the Marriott Center on Monday, Jan. 26. This has been the Wildcats best start in program.

Evidence of a Roman-era Southwest "megadrought" has University of Arizona climate researchers again warning water managers that Western rivers have not been historically reliable in their flow.

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 ...

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, ...