Joe Pagac's towering 153-foot "Desert Colossus" saguaro cactus, set against a baby blue cloud-dotted backdrop, looms ...

Arizona's leading utility companies are exploring the addition of a second nuclear reactor to meet the state's growing energy ...

Preliminary, unofficial results showed that a ballot measure to create a half-cent sales tax increase in Tucson was losing by a large margin Tuesday night. The tax would have raised some $800 million ...

TUCSON, Ariz. (13 News) - Southern Arizona residents gathered in downtown Tucson to protest the Trump Administration on ...

Dozens of people gathered in downtown focusing their attention on Trump administration's pledge to cut the Department of ...

Not far from downtown Tucson lies Biosphere 2, an Earth science research facility in Oracle, Arizona. It was designed to be a closed ecological system intended to simulate different ecosystems and ...

From prime Mexican food to the signature cacti of Saguaro National Park to dancing at Hotel Congress, here are the most fun things to do in Tucson.

This weekend in Tucson is packed with exciting events for the whole family. With three festivals on the calendar, there is ...

An anti-nuclear group is planning a protest at Tucson Electric Power, following word that three utilities might pursue a new reactor in Arizona.

The 56th Annual Fourth Avenue Spring Street Fair is set to return to Tucson from March 21-23, offering a lively weekend ...