SportsCenter anchors took on the rapids of the Grand Canyon to feature Arizona for “SportCenter: 50 States in 50 Days.”

A new report has calculated that making national parks the responsibility of states would raise costs, cut revenue and reduce access for Arizonans.

A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake triggered a landslide, a dam, and an ancient lake.

A combination of high winds, dry air and above average temperatures caused a wildfire in the Grand Canyon to rapidly expand and cause major damage.

Here's what we know about the two wildfires that have destroyed tens of thousands of acres of forest and burned at least 70 structures.

American Red Cross volunteers are supporting families who have their lives turned upside down because of the Dragon Bravo and White Sage wildfires. Licensed Red Cross mental health officials are offering emotional support and crisis counseling.

U.S. land managers have long known that they have a problem on their hands with overgrown forests and persistent drought.

The Dragon Bravo Fire destroyed the Grand Canyon Lodge and continues to burn. See the devastation, plus readers share memories of the lodge.