A historic Hunter Creek Valley building was excavated and tree-ring dated on Friday, Sept. 20. The building, which experts think housed farm animals, is made of wood that is around two centuries old, ...

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 ...

Architect James Richärd, who remembers grade-school trips to the University of Arizona's giant tree-ring specimens, has designed a $12 million "treehouse" to display them. The new building, mostly ...