Arizona has begun the first phase of a wildfire prevention project around the mountain community of Pine Lake.

Fans of horticultural landmarks are catered for at Scottsdale's Desert Botanical Garden, where some 50,000 plants from ...

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 ...

From the Bisbee Breakfast Club to ghost tours to the Copper Queen Mine, here are the best - and newest! - things to do in ...

This is The Arizona Republic's high school softball Super 10 heading into the state play-in games. Vote for the team you think should be No. 1.

According to the Arizona Department of Transportation, a portion of eastbound I-10 will be closed this weekend.

A weekend storm will bring a big drop in temperatures across the state. There will also be a chance of rain and snow in the higher elevations.

Westbound Interstate 10 was closed in the West Valley during rush hour Wednesday morning after a fatal motorcycle collision.

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

From Lowell Observatory in Flagstaff to Mount Lemmon near Tucson, here are the most recommended locations places for ...

The Trust for Public Land has acquired 47 acres for Saguaro National Park, increasing the linkage to Pima County's Sweetwater ...