An extreme heat warning has been issued for parts of Arizona, including the Grand Canyon, on Monday.

An unusually high number of hikers had to be rescued by helicopter on the Grand Canyon, and a construction site is to blame.

Brandy Vandermolen, a Grand Canyon University nursing student, smiles after speaking during an event at the Albuquerque campus on Tuesday.

Thirteen helicopter rescues have occurred over seven days at Grand Canyon National Park, the National Park Service said in a statement Sunday.

Environmentalists argue a flood is needed to restore the Grand Canyon's beaches and preserve its wildlife.

Dr. Dennis Smith, of Olympia, Washington, was attempting a rim-to-rim hike from the South Rim to the North Rim when authorities and friends said he collapsed on the trail.

Dr. Dennis Smith, a 74-year-old orthopedic surgeon from Washington, died during a rim-to-rim hike in the Grand Canyon. His death is under investigation.

This one-day itinerary includes the best of Grand Canyon's South Rim, including El Tovar, Mather Point, Bright Angel Trail and Desert View Watchtower.

A 74-year-old man died while hiking the Grand Canyon, the National Park Service said Monday. The man, identified as Dennis Smith of Olympia, Washington, was attempting to hike from the canyon's ...

Phoenix-based Grand Canyon University is no longer on the hook for a multi-million dollar fine levied by the U.S. Department of Education, according to the school. The federal agency's office of ...

The National Parks Foundation said the Grand Canyon rim-to-rim hike covers 24 miles and is “strenuous.” “Being unprepared can have catastrophic results,” the foundation said on its website.