Thanks to the rapid expansion of generative AI, scams using voice cloning are increasingly common. In 2025, it’s easier than ever to create a convincing facsimile of anyone’s voice, and make it say whatever you want.

Costa’s hummingbirds are native to the Southwest and northwest Mexico — which meant this little guy was a long way from home. So Jennifer Munson decided to see if she could help him get back to where he came from — and Tucson journalist Henry Brean wrote about what happened next.

From Flagstaff, Darren McCollum with the National Weather Service said the start of meteorological winter comes with a short term period of dry and cooler weather.

Some Arizona animal clinics are raising concerns about a recent increase in parvovirus cases among dogs. The virus targets the immune system of canines and can be life-threatening.

A team of researchers has been studying meteorological and air quality data collected during the 189 dust storms we’ve experienced in Phoenix since 2010. Based on that analysis, they recently unveiled the "Phoenix Dust Scale," a ranking system to assess the severity of dust storms.

Scientists from Arizona State University and other institutions finally assigned a species name to a fossil known as the Burtele foot. The discovery was made in 2009 at a site in Ethiopia.

Americans are more likely to visit their eye doctor than their primary care provider. And that’s one big reason why a company out of California is working with Banner Alzheimer’s Institute in Arizona to develop an eye test that can detect beta amyloid in the retina.

Researchers at the University of Arizona say a previously unknown population of circulating immune cells play a critical role in fibrosis. Blocking their signals could help treat or prevent the condition.

Bald eagles will soon be nesting in Prescott National Forest, and seasonal closures begin Monday in two locations.

A team of 22 meteorologists and weather experts spent years developing the first standardized dust storm scale. It's designed to classify severity, like the Enhanced Fujita scale that's used for categorizing tornadoes.

So far this season, the number of respiratory viruses reported in Arizona has been below average. But influenza cases are rising quickly.

Arizona’s child fatality rate dropped in 2024, but the number of children who died from vaccine-preventable diseases increased, according to the state’s annual Child Fatality Report.