A new nighttime spectacle is lighting up the Denver Zoo this spring. The big picture: "Glowing Wild" is the zoo's first-ever ...

SRP announces a grant that provides the Phoenix Zoo with funding and resources that will improve its water conservation.

Cosmic speed limits can be a major inconvenience but they've rarely stopped science fiction in its tracks.

AVONDALE, Ariz. — Daytona 500 winner William Byron climbed out of his No. 24 Hendrick Motorsports Chevrolet on Phoenix Raceway pit road with a huge smile after claiming his first pole position ...

This is a longstanding policy that will be required to be enforced beginning April 11, and the Greater Phoenix Chamber Foundation is already seeing it impact Arizona tourism. Abandoned uranium ...

The Phoenix Zoo and Reid Park Zoo in Tucson are both dealing with the loss of longtime residents. The Phoenix Zoo lost its beloved mountain lion, Sierra, who was humanely euthanized this week ...