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A combination of cosmic processes shapes the formation of one of the most common types of planets outside of our solar system, a new study finds.

The research team, which included University of Arizona planetary scientists, used data from NASA's Transiting Exoplanet Survey Satellite, or TESS, to study young sub-Neptunes — planets bigger than Earth but smaller than Neptune — that orbit close to their stars.

Grijalva, who earned a sociology degree from the U of A in 1987, was a steadfast champion of the university’s land-grant mission and a testament to what it means to be a Wildcat for Life.

The University of Arizona is proposing fee changes for the 2025-26 and 2026-27 academic years in accordance with the Arizona Board of Regents' tuition and fee-setting policy.

We are deeply saddened by the passing of Congressman Raúl Grijalva, a distinguished University of Arizona alumnus and dedicated public servant.

The University of Arizona is ranked No. 31 in the world on the National Academy of Inventors' list of the Top 100 Worldwide Universities Granted Utility Patents in 2024.

NASA's newly launched SPHEREx mission will use software developed at the Arizona Cosmology Lab to analyze data and help astronomers understand what happened in the first trillionth of a second after the Big Bang.

U of A neuroscientists studying the brains of songbirds have found that aging alters the gene expressions that control the birds' song. The finding could lead to earlier diagnoses and better treatments for human disorders such as Parkinson's and Alzheimer's.

The U of A has the world's top entomology program and is a leading university in nearly 200 different fields of study, according to EduRank's Best Universities in the World rankings.

U of A astronomers are learning more about a galaxy that existed when the universe was just 2% of its current age. One unexpected finding: significant amounts of oxygen.

Quantum computing is considered the next generation of information technology. Two U of A engineering researchers received grants from the federal government to advance novel areas in quantum information.