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Contrary to conventional wisdom holding that early galaxies were composed of mostly hydrogen and helium, new observations suggest that galaxies were seeding the cosmos with heavy elements just 500 million years after the Big Bang.

Four decades of satellite records reveal that roughly 80% of global drylands are experiencing extreme swings in interannual productivity, and current models are missing it.

The University of Arizona has sharpened its focus on student success and strengthening the commitment to its land-grant mission, with a fall 2026 entering class that reflects stronger academic preparation and expanded access for Arizona students.

During the NASA Inspiration Tour at the U of A, students shared the space missions and technologies they are building and engaged directly with NASA leaders about the opportunities ahead.

Four decades after Tucson stopped serving contaminated water on its south side, one in three residents who drank it are still reporting symptoms of post-traumatic stress, a new U of A study has found.

Christopher Finch, the new dean of the R. Ken Coit College of Pharmacy, talks baseball, the changing pharmacy profession and why getting out of the office is central to his leadership approach.

The new national designation recognizes how the university integrates sustainability into its teaching, research, operations, career preparation and community engagement.

Out of the 14-institution cohort to receive this classification, the U of A is the largest R1 research university.

The U of A is home to the top-ranked public university program in Management Information Systems, according to the 2027 Best Colleges ranking from U.S. News & World Report.