A new study found that there could be some viral illnesses that might increase a person’s chance of developing Alzheimer’s disease. The strongest association was between viral encephalitis and Alzheimer’s disease.

For years, debate has raged about where a group of snakelike animals fit in the amphibian family tree. Now, analysis of fossils from Arizona’s Petrified Forest National Park may hold the answer.

Prior to March 2020, the U.S. had never invoked Title 42, which grants federal authorities the power to deny entry into the U.S. to prevent the spread of communicable diseases. Since then, officials have used it more than 2.5 million times to send away asylum seekers and migrants. Now, two legal experts say enough is enough.

The Maricopa County Department of Public Health is reporting its first pediatric flu death this season.

A bipartisan bill making its way through the Arizona Legislature aims to fund research into the benefits of psilocybin, otherwise known as magic mushrooms.

Honeybee colonies have been collapsing at alarming rates since 2006, and experts still aren’t completely sure why. New research suggests one possibility: Honeybee life spans today are half what they were 50 years ago.

In growing areas of the planet, sundown no longer brings night and stars, but rather an artificial dusk caused by human light sources. To track light pollution’s global spread, researchers looked beyond space technology and asked citizen scientists to provide some ground truth.

Anxiety and depression have been on the rise in young adults since before the pandemic, isolating teens, tweens and 20-somethings at vital junctures of social development. Experts recently discussed what researchers are calling “the loneliest generation.”

The city of Chandler’s new data-center ordinance went into effect Jan. 5 and includes a change to the city’s zoning code.