Presenting bumblebees with various combinations of natural and artificial flowers laced with chemical and mechanical cues, UA biologists have discovered that for a bumblebee, foraging for pollen versus nectar is very different.
For the first time, an actual, but harmless, space rock will be used for an observational campaign to test NASA's network of observatories and scientists who work with planetary defense.
A new analysis of Greenland's past temperatures will help scientists figure out how fast the island's vast ice sheet is melting, according to a new report from University of Arizona atmospheric scientists.
Wildfires in Arizona have become more frequent and intense over time. As monsoon rains extinguished the 27,000-acre Burro Fire on Mount Lemmon, we asked University of Arizona fire ecologist Donald Falk to drive up with us and share his thoughts.
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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

Scientists Solve Mystery of Blinking Brown Dwarfs
Astronomers have seen atmospheric bands and waves, reminiscent of those in gas giants such as Neptune, in brown dwarfs — strange worlds that are not quite planets and not quite stars.
UA Online: All This, and Science Too
Since its debut in fall 2015, UA Online has seen 280 percent year-to-year growth and is on target to meet or exceed Arizona Board of Regents goals. Science classes such as Roger Miesfeld's biochemistry series have contributed to the increase.
When the Sun Goes Dark, UA Student's Skills Will Shine
With the solar eclipse, junior Adriana Mitchell will be "passing the torch of collecting data all across the continent," poised to find answers to long-elusive questions about the sun.
In Hunting Supernovae, 'Get Them While They're Young'
Astronomers have caught the fleeting explosion of a Type Ia supernova in detail. Understanding how they form could have implications for dark energy measurements.
UA-Caterpillar Partnership Celebrates 1st Year
The Mining 360 Program, which brought together a dozen business professionals to learn from the UA's Department of Mining and Geological Engineering, is praised as an example of how the University, the community and industry can work in collaboration.

Workplace Climate Survey

The College of Science is conducting a Workplace Climate Survey for faculty, staff, postdocs and graduate students. The results will be used to help ensure a positive, respectful, and inclusive workplace.

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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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