By connecting radio telescopes across five continents into one Earth-sized virtual telescope, including two UA telescopes, astronomers managed to resolve the shadow of a supermassive black hole, a prediction of Einstein's General Theory of Relativity.
A UA geosciences undergraduate developed an innovative method of using ancient urine salts to reveal when humans in ancient Turkey began shifting from hunting to herding.
A UA team shows that evolution is driven by dependency on other species within ecological communities – testing a long-held idea of the late UA professor George Gaylord Simpson.
Two new studies by UA space scientists may bring into question the habitability of TRAPPIST-1 exoplanets, three of which are in the habitable zone of space.
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UA Science: A Place of Discovery and Innovation

Joaquin Ruiz, DeanThe University of Arizona College of Science brings together globally prominent faculty in disciplines at the core of scientific inquiry and education. One of the largest colleges at the University of Arizona, we are a nexus of award-winning programs that encourage both independent and collaborative-driven research. Our academic departments, schools and research units encompass the range of physical, mathematical, environmental, cognitive and life sciences. UA Science is among the most powerful and prolific academic research centers in the world, recognized and rewarded for the unparalleled caliber of our achievements. With over 7,500 undergraduate and graduate students, we are an integrative learning institution, where accomplished faculty and next-generation scientists engage side-by-side in groundbreaking research. Our scientists and students also share their knowledge with the local and broader community through extensive outreach and public service initiatives. Our mission is to encourage the aggressive pursuit of research excellence, to support novel teaching and outreach programs and to create economic opportunities for our community.

Joaquin Ruiz, Dean

Community Partnerships Power Oro Valley Incubator
Thanks to years of work from community, industry and University of Arizona leaders, a biotech incubator in Oro Valley will soon be a reality. The University of Arizona Center for Innovation at Oro Valley will give biotech startups access to lab space, industry expertise and business coaching.
Biosphere 2 Rain Forest Closed During Drought Experiment
Drought will soon descend on the University of Arizona’s Biosphere 2 rain forest, and an international research team will be ready with an array of instruments to record what unfurls under the glass.
Topography Could Save Sensitive Saguaros as Climate Changes
Researchers found that variations in Tumamoc Hill’s topography interacted with climate fluctuations to produce unexpected demographic patterns in the saguaro population.
UA Doctoral Student, Adviser Earn Prestigious Gilliam Fellowship
The Howard Hughes Medical Institute in Maryland has awarded doctoral student in the University of Arizona Department of Chemistry and Biochemisty and her thesis adviser a Gilliam Fellowship. The fellowship aims to support students and advisers in efforts to advance research, leadership and diversity in science fields.
UA-led Study Measures Impact of Built Environment on Water Use
Many of a community's built environment factors, such as housing age and density, vegetated land cover and lot size, are tied to how much water single-family residences use.

Workplace Climate Committee

The mission of the committee is to help foster a positive and inclusive work environment in the College of Science where all individuals – faculty, staff, and students – feel welcomed and respected, and that their opinions are valued.

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Undergraduate Research

The research opportunities available to UA Science undergraduates make this college a smart choice for students who want to grow academically, socially, and intellectually.

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Tucson: Science Lives Here

UA Science invites you to experience telescopes atop of Tucson's highest peak, a century-old ecological laboratory and the world-class attraction, Biosphere 2.

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