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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.

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.

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.

Associate professor Ada M. Wilkinson-Lee is partnering with border and rural communities in Arizona to help them overcome the health impacts of social isolation.

The Southwest Climate Adaptation Science Center received a grant from the U.S. Geological Survey to help fund practical solutions to high-priority climate adaptation needs.