Saguaro cactuses are Arizona's towering icons. However, only one holds the record for being the tallest ever measured. Here's ...

Arizona Opera became the first to fully integrate AI in a live performance, but the concept might need some fine-tuning ...

The intense heat in recent Arizona summers is taking a toll on the smaller saguaro cactus. The survival of saguaro seedlings ...

Arizona’s urban-rural housing divide deepened in recent years, with city booms and rural rebounds reshaping where people live ...

The city of Tucson, Arizona, sits on America’s southern border, surrounded by the cactus-strewn landscapes of the Sonoran ...

The city of Tucson, Arizona, sits on America’s southern border, surrounded by the cactus-strewn landscapes of the Sonoran ...

From Sabino Canyon on the east side to the Tucson Mountains on the west side, Tucson is a little corner of the world we're ...

From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

A massive fire in Tucson has filled the Arizona city with thick smoke. Several residents shared videos of the blaze on social media UPDATE: A fire broke out near 4000 East Illinois Street in ...

PHOENIX — The Desert Tortoise Adoption Program at the Arizona Game and Fish Department is seeking homes for over 100 desert tortoises. The tortoises are set to wake up from brumation ...