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 ...

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 work is part of the I-10 Broadway Curve Improvement Project, according to the Arizona Department of Transportation.

Almost 50 acres on Tucson's west side have been added to Saguaro National Park, just as the Trump administration reportedly ...

MONTEZUMA PASS — From atop the south end of Arizona’s Huachuca Mountains, the borderland paths of America’s solitary jaguars and ocelots sprawl across Sonoran Desert scrublands To the south: Mexican ...

While at Mountain Pointe, Jayden Davis established himself as one of the most dominant sprinters in state history. Now, he's ...

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 ...

The work is part of the I-10 Broadway Curve Improvement Project, according to the Arizona Department of Transportation.