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

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.

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

There's something inherently nostalgic about Route 66, the nearly 100-year-old highway that connects Chicago to Los Angeles. Traversing eight states in the Midwest and southwest United States, many curious road trippers have explored the historical route,

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.

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 started on July 4 and was managed at first as a controlled burn. Then the wind picked up, and it quickly became uncontrollable.