There's no conclusive evidence, but a river reputed by some to be the oldest in the world dates back 340 million years.

The line of cars is on 7th Avenue with drivers waiting to get on Interstate 17 during rush hour — but not all drivers want to wait their turn.

The first-ever female skipper is now running the day-to-day operations for the Arizona Diamondbacks at spring training.

Where to see your favorite team and what's new at Sloan Park, Surprise Stadium, Camelback Ranch, Salt River Fields, ...

The Diamondbacks again have plenty of depth in the outfield, with Corbin Carroll, Jake McCarthy, Alek Thomas, Lourdes Gurriel ...

Three of the state’s largest utilities; APS, SRP, and Tucson Electric Power are exploring a joint venture to bring a Generation III+ Small Modular Nuclear Reactor to Arizona.

The Salt River Project (SRP) is teaming up with the cities of Chandler and Apache Junction to remove 56 trees growing into ...

Wednesday is a big day for Diamondbacks fans, as pitchers and catcher officially report, and workouts are open to the public ...

For two and one-half million years, the upper Verde River has flowed from the arid highlands of the Upper Verde River ...

Arizona Public Service - operator of the Palo Verde nuclear power plant - is collaborating with Salt River Project and Tucson ...

Of all the challenges facing the Colorado River, there’s at least one that all stakeholders are working on collaboratively, ...

The Maricopa County Department of Transportation announced Monday that the Gilbert Road bridge has reopened all of its lanes ...