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

ALBUQUERQUE, N.M. (AP) — U.S. land managers are racing the clock as hotter, drier weather raises the risk of wildfires in the nation’s overgrown forests with each passing year.

A fast-moving wildfire is currently tearing through the North Rim of Grand Canyon National Park, forcing evacuations, shutting down major tourist areas and destroying one of the park’s most historic landmarks.

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.

A wildfire that destroyed a historic Grand Canyon lodge is continuing to spread out of control after it had been allowed to burn for days.

A new study suggests a meteor strike that created Arizona’s Meteor Crater 56,000 years ago may have triggered a massive landslide in the Grand Canyon, blocking the Colorado River and forming a 50-mile-long ancient lake.

The Grand Canyon, one of the most iconic geological formations on Earth, may hold deeper secrets about our planet’s history than previously thought. A recent study has uncovered an unexpected connection between two seemingly unrelated geological events that happened around 56,