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This artist's illustrations shows a spiral galaxy swirling around a bright ball of light at its center. Jets of gas and energy shoot out of the center in both directions perpendicular to the galaxy's disk.

Today

Cosmic predators: How supermassive black holes slow star growth in nearby galaxies

A new study led by University of Arizona astronomers suggests that black holes may have played a much larger role in shaping the growth of galaxies in the early universe than previously thought.

Read more at University of Arizona News

Staff members seated at desks look at space images on a large screen

U of A takes leading operations role in NASA mission

The University of Arizona is mission control for the Pandora mission, which will help scientists study exoplanets and their stars.

Three researchers plant corals in the water at Biosphere 2

Corals in Biosphere 2's Ocean Habitat may help save reefs around the world

Stocking the Biosphere 2 Ocean with corals, researchers kicked off a multi-year experiment to help develop new solutions that could make coral reefs more resilient to threats from rising sea temperatures across the globe.

Read more at University of Arizona News

Marcia Rieke Galaxy Slam press conference photo

How reaching for the hoop prepared Marcia Rieke to reach for the stars

Recognizing her accomplishments both in unraveling mysteries of the deep cosmos and excelling on the court as an undergraduate student, Regents Professor Marcia Rieke was named the U of A's Faculty of the Year award honoree by the Big 12 Conference.

Read more at University of Arizona News

All Stories

Students hiking Tumamoc Hill

U of A ranked No. 1 in the Southwest and recognized as a top 25 public university by Times Higher Education

Oct. 9, 2025

A construction worker shields himself from the sun with his hand

A collective approach to help vulnerable people survive extreme heat

Oct. 9, 2025

Researchers find potential link between chronic pain, immune condition

Oct. 9, 2025

Portrait of Shana Song

NIH grants Shang Song $2.32M for spinal cord bioimplant

Oct. 8, 2025

Jennifer Barton in a lab holding an ovarian cancer detection falloposcope

U of A biomedical engineer wins $3M for tiny microscope to detect endometriosis

Oct. 8, 2025

In this rendering, the lunar surface is represented by false colors. A blue circle indicates the low-lying South Pole-Aitken impact basin, surrounded by red and orange ejecta blankets to the south.

The moon's biggest impact crater made a radioactive splash

Oct. 8, 2025

Wearing dark, tinted eye protection goggles, Willomitzer and a postdoctoral researcher set up instrumentation on an optical lab bench.

New imaging tech promises to help doctors better diagnose and treat skin cancers

Oct. 6, 2025

A man wearing safety glasses and a suit observes a green-lit optical experiment with lasers and mirrors in a laboratory setting.

Quantum uncertainty tamed at the University of Arizona

Oct. 6, 2025

tree-ring cross sectional samples stacked on top of one another

Tree-ring data sheds light on past and present summer climate extremes

Oct. 1, 2025

A football player tackling another football player who is holding a ball

Anemia drug could have new life in treating nerve injuries

Sept. 26, 2025

Accumulation of white powder placed on a black background, with a man’s hand mirrored behind the powder

Researchers testing molecules that may reduce opioid overdose deaths

Sept. 25, 2025

ribbon-cutting ceremony in front of MRI machine

U of A celebrates new AI-powered MRI and BIO5 Brain & Body Imaging Center

Sept. 23, 2025

Alt Text: A farm worker wearing a hat hoes rows of broccoli in Yuma, Arizona

Heat and toxic exposures could harm kidneys in agricultural workers

Sept. 23, 2025

Close up of laboratory technician hands wearing blue gloves holding a plastic tray in a research lab

U of A and UNM win joint $43.6M NIH award to help turn clinical research into practical medicine

Sept. 19, 2025

Close-up image of several people holding hands

$4.5M NIDA grant will fund research to improve methadone treatment quality

Sept. 18, 2025

University of Arizona decorated graduation cap

U of A earns top 5 ranking in bachelor's degrees conferred in military, legal, technology and languages categories

Sept. 17, 2025

Western corn rootworm

Study warns pest resistance threatens corn industry's newest biotech defense

Sept. 16, 2025

$1.7M DOD grant funds virtual cancer center to support research into military health

Sept. 16, 2025

At night, the open dome reveals the dish of the Arizona Radio Observatory's 12-meter Telescope on Kitt Peak

New images reveal clues about the feeding habits of black holes

Sept. 16, 2025

Researcher Melissa Herbst-Kralovetz applies a swab to a petri dish

AZBio Awards to honor two U of A faculty members, startup company

Sept. 10, 2025

Tejo Bheemasetti presents at the at the Arizona Transportation Institute Summit.

University engineers fast-track Arizona roadway improvements

Sept. 10, 2025

Overhead view of University of Arizona campus and Bear Down sign.

U of A research: Top 25 among public institutions, No. 1 in Arizona in new Washington Monthly list

Sept. 9, 2025

A technician wearing protective clothing and safety glasses adjusts optical components next to a large, colorful laser lens inside a laboratory at Lawrence Livermore National Laboratory.

University of Arizona joins STARFIRE Hub for inertial fusion energy

Sept. 9, 2025

University of Arizona campus at sunset.

President Garimella's inaugural annual letter: U of A is 'vibrant, resilient and ready for a bright future'

Sept. 3, 2025