A new study provides a shortlist of the wildlife species present at the market from which SARS-CoV-2, the virus responsible for the COVID-19 pandemic, most likely arose.

The collaboration demonstrated the importance of broad inclusivity through an unusual geophysical field experiment that was conducted in Louisiana in 2022.

Sept. 22 marks the official first day of fall this year, but that's not always the case. The start of fall and spring is determined by an astronomical phenomenon called an equinox, when the sun is positioned exactly above Earth's equator. Jose Daniel Castro-Cisneros, a physics graduate student, explains how equinoxes work.

Each year, the College of Science honors exceptional faculty and advisors who have made significant contributions to advancing the teaching and advising mission of the University of Arizona. This year’s award recipients include Kate Bunton, Lisa Rezende, Adi Adiredja, Jón Njardarson, Sam Krishnamurthy, and Melanie Lipton.

Researchers have developed a new biological sensing method that can detect substances at miniscule amounts, which is immediately useful for drug testing and other research.

Schnell, a graduate student in Speech, Language & Hearing Sciences, has competed in two Olympics while balancing her pursuit of becoming a speech-language pathologist.

A U of A-led study suggests that the act of mating can cause bodily changes at a molecular level, offering new insights into the role of intimacy beyond reproduction.

As a graduate student in 2013, Molaro established The Art of Planetary Science, an annual exhibition which invites the public to engage with science-driven art. She extended this effort into a series of workshops on space, art and society called Making Space, where participants learn how to use art as a tool for scientific inquiry and public discourse around space exploration. 

Dr. Fong's talk, “Striking Gold in the Universe,” will begin at 7:30pm on September 13 in Steward Observatory Room N210. Steward Observatory’s public evening lectures are free of charge and open to the general public.

Welcome to a new academic year at the University of Arizona!