After a nearly 5,000-year vigil upon a Nevada mountaintop, an ancient tree now finds its home in the UA Laboratory of Tree-Ring Research. The Bristlecone pine, called Prometheus, is the oldest individual ever known to have lived.
Researchers have discovered four previously unknown viruses that infect the Earth’s most abundant organism, the marine bacterium SAR11, which play a critical role in the global cycle of carbon and other nutrients.
Experience from the HiRISE camera on the Mars Reconnaissance Orbiter in 3-D.
The UA has held a long-standing love for asteroids, from pioneering the search for potentially hazardous space rocks before NASA did to sending a spacecraft to one to scoop up a sample.
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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

Send Your Tweet – and Your Name – to an Asteroid
The team of the UA-led OSIRIS-REx asteroid mission invites members of the public to use social media to share their predictions about solar system exploration in the year 2023. Selected entries will travel through billions of miles of outer space, all the way to the asteroid Bennu and back.
UA Flandrau Science Center Goes 'FullDome'
A state-of-the-art digital projection system has been installed at the UA Flandrau Science Center and Planetarium that will captivate visitors as they tour the Earth, the universe, the human body and virtually any other part of the natural world like never before. Providing access to a network of satellite imagery, Flandrau personnel can quickly integrate scientific data into their shows to engage viewers with fascinating events occurring anywhere on the globe.
UA Astronomers Witness Asteroid Smashup
Using NASA's Spitzer Space Telescope, UA astronomers have spotted an eruption of dust around a young star 1,200 light-years from Earth. The dust most likely resulted from collisions between large asteroids, which can eventually lead to the formation of terrestrial planets.
Your Secret Food Supplier: The Humble Honeybee
Honeybees play a vital, behind-the-scenes role in Arizona's agricultural industry. They are responsible for pollinating agricultural crops that make up one-third of our diet, including fruits and vegetables.
Brown Foundations' $2.5 Million Challenge Kicks Off Catapult Corp
From laboratories to the marketplace, a new UA program will help companies find success. Initiated with a $2.5 million gift from Tucson's Thomas R. Brown Foundations, the Catapult Corporation – dubbed "Cat Corp" – will provide early-stage capital to promising startup companies emerging from UA researchers and students.

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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K-12 Education

Science and math-focused camps and workshops are available for K-12 students—each designed to deliver research experience through hands-on activity.

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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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