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Analyzing radiocarbon in tree-ring samples, scientists from the University of Arizona Laboratory for Tree-Ring Research and ETH Zurich in Switzerland created the most detailed record yet of solar activity during the first millennium B.C.E. The data confirmed the unusually stable period of solar activity and revealed unique patterns that can help date archaeological artifacts.

A U of A-led mission to probe the mysteries of the faint universe made a major stride toward launch with the announcement of the successful completion of the spacecraft "bus" assembly.

In recognition of their exceptional achievements in teaching, research and scholarship, three University of Arizona faculty members were confirmed as Regents Professors by the Arizona Board of Regents.

Janko Nikolich, Jiang Wu and Dennis Zaritsky have achieved the highest faculty rank at the university, recognizing their exceptional achievements in research and higher education.

Dr. Sairam Parthasarathy testified before the House Committee on Veterans' Affairs about the need to turn biomedical advances into clinical solutions.

Dozens of U of A programs are recognized as among the best in the nation in U.S. News & World Report's Best Graduate Schools rankings.

A highly accomplished scientist and scholar in clinical speech-language pathology, Prelock has served as interim president at the University of Vermont since October.

The public speaking competition, hosted by the Arizona Board of Regents, encourages civil and respectful discourse among students from Arizona's three state universities.

Despite its rich inventory of organic molecules, Saturn's largest moon may be able to support only a minuscule amount of biomass, if life exists there.

U of A researchers are using a new technique that could boost eye-tracking accuracy in a variety of fields ranging from the entertainment industry to medical research.