In the Best National Universities ranking, the U of A tied for No. 109 overall and tied for No. 52 among public universities – a six-spot increase for both. The university ranks No. 12 among colleges and universities designated as Hispanic-Serving Institutions and No. 23 among state flagship universities.

U of A Regents Professor Dante Lauretta says he is "amazed by the discoveries we've made" since the OSIRIS-REx spacecraft delivered an asteroid sample to Earth last year.

They all bring so much richness to the university with their accomplishments, their drive, and their aspirations," said Dr. Rebecca Gomez, Assoc. Dean in the College of Science.

Dr. Meixner recruited Dr. McIntosh to U of A in 2006 and mentored her in establishment of their joint hydrochemistry laboratory. They developed and co-taught Fundamentals of Water Quality, a core course for students in HAS and across campus and served on each other’s student committees.

Earth has been and can be warmer than it is today, but humans and animals can't adapt fast enough to keep up with climate change, a new study finds.

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.