Power companies serving the fast-growing Phoenix area are exploring new reactor designs to meet rising demand.

As the indoor track season turns toward the Group Championships and Meet of Champions, here’s some Shore athletes having breakout seasons.

Liquid gold sunlight splashed over the desert not long after dawn. Above me, the baby-blue canopy of sky was brushed with the ...

Instead of sealing four wells in 2023, the ranchers argue, a federal judge could have issued a less harsh injunction based on ...

Arizona Public Service, Salt River Project and Tucson Electric Power have taken the first steps by applying for a federal ...

Yi Pin Long, 66, was last seen at about 2 p.m. on Sunday in the remote area near where the Colorado River flows into Lake Mead on the Nevada-Arizona border. Pierce Ferry is accessed on the Arizona ...

Tucson Electric Power, Arizona Public Service and Salt River Project jointly announced a proposal Wednesday that could have a ...

An 81-year-old man was arrested Sunday after firing a weapon in the direction of a sheriff’s deputy in the Colorado River ...

Arizona Public Service (APS), Salt River Project (SRP), and Tucson Electric Power (TEP)—have announced plans to explore the ...

Arizona's three largest electric utilities will jointly explore expanded nuclear-power options. A new plant here could be ...