Like its mythological namesake, the Phoenix Cluster burns with blisteringly hot gas, which cools to birth stars. The James Webb Space Telescope has now learned how this galaxy cluster does it.

As the weather changes and spring approaches, Arizona residents may see more animals, including Gila monsters, snakes and more. Here's what to know.

Scientists have long suspected that Mexican long-nosed bats migrate through southeastern Arizona, but without capturing and measuring the night-flying creatures, proof has been ...

The court ruling against Trump's "discriminatory" executive order on transgender youth will improve access to health care, ...

Avian influenza has been detected in milk from a dairy herd in Maricopa County, according to the Arizona Department of ...

Body camera footage released by the Sheriff's Office captured the explosion, with an officer or deputy heard urging the ...