The San Jacinto Tunnel is a 13-mile-long, concrete-lined water tunnel built between 1933 and 1939, carrying Colorado River ...

From Sabino Canyon on the east side to the Tucson Mountains on the west side, Tucson is a little corner of the world we're ...

The endangered Mount Graham red squirrel was classified as endangered in 1987, with population numbers ranging from 35 to 550 ...

Grass fires burn far more American homes each year than forest fires. In southern Arizona, communities fight fires that never ...

After a devastating wildfire, endangered Mount Graham red squirrel populations recovered through joint efforts from four ...

After two strong wins against the Poconos' other top teams, the Mounties have all but secured their place at the top of the ...

The city of Tucson, Arizona, sits on America’s southern border, surrounded by the cactus-strewn landscapes of the Sonoran ...

Centro will sit on 10 acres in Nogales. It’s a remote operating center for South32 Hermosa, a zinc and manganese mine in the Patagonia Mountains. Some will be watching for its environmental impact as ...

There is no shortage of spectacular natural features dotted around the Grand Canyon State, and you can add this scenic trail ...

In much of central and southern Arizona ... After Rodeo-Chediski: Wildfires are a part of life in the White Mountains. Here's how Arizona towns are preparing At the same time, retirees often ...

Joshua Castro, a now-former employee of the Arizona Department of Agriculture, allegedly charged one man $7,600 and another ...