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.

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.

New research has found that Y chromosome loss occurs in healthy-seeming tissue before tumors begin to form, making the loss of a hormone an early indicator of cancer danger.

Former Sen. Jon Kyl is a University of Arizona alumnus who represented Arizona in Congress for more than 25 years as a leading voice on legal and national security issues.

Scientists were stunned when they discovered a fossilized tooth from a capybara that lived in the Atacama Desert in northern Chile almost 9 million years ago.

The U of A ranks No. 1 in the Southwest and No. 1 in the Big 12 Conference in a new ranking that measures how central each university is in the global research-collaboration network.