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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.

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

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.

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.

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.

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.

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.

Arizona's political landscape is evolving, and the 2024 presidential election could mark a pivotal moment for the state, says Lisa M. Sanchez, assistant professor in the School of Government and Public Policy. She says Arizona's growing population and shifting demographics have transformed the state into a contentious political battleground.

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.