Ahead of Feb. 29, UArizona Regents Professor of planetary sciences Renu Malhotra explains why we need leap year, why we skip it once a century and why we sometimes need to add leap seconds.
 

The University of Arizona Center for Digital Humanities partners with clients such as the Tucson Center for Black Life to both preserve historical artifacts and make them widely available as digital exhibits.

The findings, more than a decade in the making, reveal a rich diversity of beneficial fungi living in boreal forest trees, with implications about the health of forests.

Taiwan's leading astronomy institute joins Australia, Brazil, Chile, Israel, South Korea and the United States in building one of the world's largest and most powerful telescopes.

The recipients were chosen for their achievements, public service, advocacy for education, volunteerism and service to students and the university.

The Campus Agricultural Center is central to the university's research and teaching mission, as well as a hub for community-centered programming in Tucson.

Reed-Francois, a James E. Rogers College of Law alumna, brings proven business expertise and financial acumen to the director of athletics position. She previously held the same role at the University of Missouri.

Rep. Juan Ciscomani of Arizona hosted fellow caucus members and congressional staff to showcase the University of Arizona's excellence in the areas of mining and critical minerals.

Successful University of Arizona patents from last year include many for innovations in health, such as improving cancer diagnoses and providing new types of lenses for patients with cataracts.

Hundreds of items collected by a sailor who left the battleship before the attack on Pearl Harbor add fresh details about shipboard life and how Americans reacted to "a date which will live in infamy."