HiRISE, a U of A-led Mars imaging camera aboard NASA's Mars Reconnaissance Orbiter, found itself closer than any other imaging tool to comet 3I/ATLAS as it passed through the solar system.

A new technique helps artificial intelligence systems recognize when they don't know the answer, addressing "wrong-but-confident" AI outputs across science and society.

The standard, which advises scientists and professionals how to record provenance for data about and from Indigenous Peoples' nations, communities and territories, is the first of its kind and takes effect during Native American Heritage Month in the U.S.

University of Arizona researchers will release the first four years of data from a nationwide study on precision aging, ushering in a new era of discovery for brain health and longevity.

U of A researchers Shang Song and M. Maya Kaelberer each received the National Institutes of Health's prestigious New Innovator Award.

The center was established in 1989 and has been continuously funded by the National Institutes of Health since 1997.

An astronaut stand-in spent two weeks sealed inside the Space Analog for the Moon and Mars at Biosphere 2, sharing his breath with 144 pea plants to test how humans and vegetation could sustain each other in space.

Researchers used modeling to better understand which tumor proteins can provoke a powerful immune system attack against a type of skin cancer.

A newly constructed stream feature in the Desert Biome habitat at Biosphere 2 will provide a home for Sonoyta pupfish and Gila topminnows, both listed as endangered species native to the region.

The Diane and Bruce Halle Foundation has awarded grants to the University of Arizona Health Sciences and Banner Health to expand primary care graduate medical education in Arizona.