COVID-19 cases have ramped up across the country in recent weeks. Now, the latest CDC report shows the majority of Arizona counties have high community levels of the virus.

The largest university in Mexico and Latin America has entered into an agreement with a major publisher of open-access science and medical journals.

Researchers at the University of Arizona are working on a new kind of pacemaker that would be battery-free and cause wearers less pain.

During a nine-day heat wave in the Pacific Northwest in June 2021, temperatures rose a staggering 18 to 54 degrees above average. A new study describes the larger-scale forces at work — some of which could affect the Southwest.

Settling debates over the evolutionary roots of shared features takes evidence that often does not survive the ravages of time. But a University of Arizona-led paper on the oldest known fossilized brain offers clues to the brain’s origins in modern arthropods — and, by extension, humans.

There are glaciers on Mars, but they are obscured by layers of rock, making them difficult to study. A University of Arizona researcher is looking to provide new methods of uncovering the rock glaciers’ secrets.
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Arizona State University is celebrating the anniversary of a book that explored the Grand Canyon and its geology. "The Tertiary History of the Grand Canyon District with Atlas" by Clarence Dutton came out 140 years ago.

Roughly 70% of doctors say they don't feel confident in their ability to take care of people with dementia, according to one Valley dementia expert. It’s a problem that the Banner Alzheimer’s Institute is working to solve.

Seasonal flu cases are soaring, and COVID cases are surging, but booster rates are circling the drain, in part because of lingering vaccine questions and misperceptions. Now, several Arizona institutions are collaborating on a five-year, $12.5 million CDC project to answer them.