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A new U of A-led study combines data from ancient shells with advanced climate modeling to shed light on how El Niño weather patterns might change in a warming world.

Tree-ring data reveal that periodic shifts in strong winds high above Earth's surface have driven opposite climates in different parts of Europe for at least the past 700 years.

Since assuming office in 2017, President Robert C. Robbins led the U of A through years of growth, innovation and unprecedented challenges, including the COVID-19 pandemic.

The Arizona Astrobiology Center received a $1 million gift from Eugene Jhong, a retired Google software developer, to support research on the origins of life and consciousness.

The funding from the Mellon Foundation will provide library and information science graduate students hands-on experience as they help communities record their histories.

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.

A group of researchers, including U of A astronomers, observed the atmosphere of a hot and uniquely inflated exoplanet using NASA's James Webb Space Telescope.

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.