The San Lorenzo River flows through downtown Santa Cruz as seen in a recent drone photo. Flowing from its headwaters near ...

In fact, new research in the journal Restoration Ecology details how scientists have unlocked a breakthrough in their work to ...

Southern Arizona residents, activists and organizations are teaming up with federal government officials to designate a portion of the Santa Cruz River as Arizona's first urban national wildlife ...

(KGUN) — The Santa Cruz River saw a massive clean-up Saturday ... a student at the University of Arizona and one of the volunteers picking up trash. “It just makes me feel better, I feel ...

An almost certain outcome would be serious impacts to our already fragile watershed, in particular washes that support the Santa Cruz River. We’re not going to ... mining company to harm our precious ...

New research from the University of Arizona suggests an unexpected connection between the Lower Colorado River Basin and the surface of Mars, offering a potential window into the ancient climate of ...

So far, more than 2.45 million Arizona ballots have been counted, with the Secretary of State's Office estimating about 1 ...

Many local races are still undecided as ballots continue to be counted the morning after Election Day; Donald Trump defeated ...

The mercury in the Old Pueblo surged past the 100 mark for the first time this year at both the municipal airport and at the University of Arizona. It was 101 at the airport and 102½ at the UA.

An outpouring of support has been expressed on social media after the family of Alberto Gutier, a longtime Arizona politician ...

Santa Cruz valley (7-1) entered the game No. 1 in The Arizona Republic's 2A Conference rankings, and San Tan Charter (7-0) No. 2. Those positions were reversed in the AIA's initial 2A rankings ...

Arizona's 11 Electoral College votes are up for grabs as voters ... At noon at the Tomahawk School voting center in Maryvale, Dianne Brayman and Howie Schnider of Santa Cruz, California, sat on a ...