An iconic but controversial motel in South Tucson was on fire again Monday afternoon following an overnight blaze.

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 ...

Researchers believe San Geronimo III is the site they discovered in 2020 near the Santa Cruz River in southern Arizona. At the site, researchers discovered an "unusually rich assemblage," with the ...

It allows Pima County to meet new strict environmental standards for effluent discharges into the Santa Cruz River. The Roger Road WRF has not been in use since December 2013 and this facility ...

For thousands of years, the Santa Cruz River has been the beating heart of the Sonoran Desert. Today, conservationists argue ...