A plan to address a shrinking supply of water on a river that serves 40 million people in the U.S. West is headed to President Donald Trump.
A Los Angeles artist's lawsuit against a Grand Canyon hotel-restaurant that alleges he was negligently served gluten is now in federal court.
GRAND CANYON NATIONAL PARK, Ariz. (AP) — Another visitor has died at Grand Canyon National Park after a man fell 400 feet (122 meters) over the South Rim, authorities said April 4.
Arizona wildlife officials say three endangered Mexican gray wolves, including two in New Mexico, died last month.
Wildland fire forecasters are predicting some higher activity for parts of Arizona.
Searchers have found the body of a 48-year-old Arizona man in a partially frozen lake in Montana’s Glacier National Park.
Lone surviving egg of bald eagle pair won't hatch this year.
Two people have died at the Grand Canyon in separate incidents this week that included one man stumbling over the edge of the rim while trying to take pictures, officials said.
The new director of Arizona State Parks and Trails says he needs to revisit all of the parks before he can pick a favorite, but that he already knows what the agency needs most now: calm and stability.
Memorial signs to be placed around the state
Arizona will install 40 highway signs around the state commemorating the 100th anniversary of the Grand Canyon’s designation as a national park.