Phoenix Zoo officials say the first litter of endangered Mexican Gray Wolf pups has been born there in 20 years.
Phoenix has named a street after of boxing great Muhammad Ali.
A new report from the National Park Service says areas surrounding the Grand Canyon benefited last year from millions of tourism dollars.
Water managers are marking completion of a long-negotiated plan for 40 million people and vast irrigated farms to share crucial Colorado River water.
ADOT officials say there will be no highway closures over the upcoming Memorial Day weekend.
A noisy geyser in Yellowstone National Park has roared back to life after three years of quiet.
Lawmakers in Congress are scheduled to take up legislation protecting grizzly bears against future hunting as federal and state officials appeal a court ruling that blocked planned hunts in Wyoming and Idaho.
Authorities say a 29-year-old Minnesota man and his dog have been found safe five days after getting lost in a sparsely populated area of Arizona.
An Arizona ski resort is planning its longest season by remaining open through mid-May.
An Arizona man has been sentenced to two years in federal prison for selling drugs, stealing government property and international smuggling of cacti.