College of Science

Analyzing tree-ring samples for spikes of naturally occurring radioactive carbon isotopes, a team led by U of A scientists has pinpointed the date of a massive solar particle eruption event that has long eluded researchers.

With funding from the Department of Energy, U of A researchers are working to revolutionize our understanding of how soil microbes influence climate change.

The Mentorship and Education in Science for Tucson program sends U of A juniors and seniors to local middle and high schools to provide one-on-one math tutoring to students.

Funding will support the development of K-12 programs that educate teachers and students about responsible mining and careers in the mining industry.

The U of A ranks No. 1 in the U.S. in water resources, according to ShanghaiRanking's 2024 Global Ranking of Academic Subjects. The U of A has ranked in the top 10 globally since ShanghaiRanking started ranking water resources programs in 2017.

U of A researchers have created the first astronomical equivalent of a fingerprint database for satellites, a critical first step toward easily identifying human-made objects in the increasingly crowded geostationary orbit.

Animals use vibrant colors to attract mates or warn predators. A recent study finds that there has been a dramatic explosion of color signals in the last 100 million years.

Astronomers used the Hubble and James Webb Space Telescopes to take an in-depth look at the debris disk surrounding Vega, a nearby star. Surprisingly, they found no obvious evidence of large planets plowing through the disk, as is common around other young stars.

Election Day is fast approaching and could be followed by a long wait for results. Ashley Huggins, an assistant professor of psychology, offers tips for managing election-related anxiety.

U of A scientists will participate in many aspects of NASA's Europa Clipper mission, which will orbit Jupiter and make 49 flybys of its moon Europa to study the moon's icy shell and help researchers better understand what lies beneath.