According to a new study, fossils of a tiny sea creature with a delicately preserved nervous system solve a century-old debate over how the brain evolved in arthropods, the most species-rich group in the animal kingdom. Combining detailed anatomical studies of the fossilized nervous system with analyses of gene expression patterns in living descendants, they conclude that a shared blueprint of brain organization has been maintained from the Cambrian until today.

A $4 million Regents' Research Grant will allow researchers to test new ways to reduce the risk of occupation-related cancer for firefighters.

Discoveries include the identification of a "mystery molecule" that had previously been detected but stumped astronomers, and insights that help build know-how needed to interpret potential signs of habitability on other exoplanets, including worlds that have yet to be discovered.

Research on the drug, known as DYR533, was conducted at the the University of Arizona R. Ken Coit College of Pharmacy and BIO5 Institute, in partnership with the Biodesign Institute in Phoenix.

Since it was established last year, the Indigenous Resilience Center has added to its roster experts who have long worked with and for Native American communities. University leaders hope tribes can guide the center's next moves.

People with post-traumatic stress disorder experience better sleep, a reduction in the severity of PTSD symptoms and more effective treatments after exposure to blue light therapy, UArizona Health Sciences researchers found.

University of Arizona researchers developed a new method for analyzing rock glaciers, which are made up of a mix of ice, sand and rocks. The method could help scientists better understand these "hidden giants" on Earth and Mars.

Ensuring all people have access to minimum resources and services, while also safeguarding the stability of the Earth's environment, will require significant societal transformations, a new study finds.

Since its founding in 1999, the Native American Languages and Linguistics master's degree program has been training students in linguistics, language documentation and language revitalization.

In honor of Veterans Day, University of Arizona News is highlighting some of the university's varied research, education and outreach partnerships with the U.S. military.