Hells Canyon is the deepest river canyon in the United States. Now scientists have solved the mystery of when it formed.

Strolling through ancient, sun-kissed towns, and feeling the tug of the tide in warm, turquoise waters. Uncovering rich ...

Dam maintenance and non-native fish reduction efforts led the government to reject an environmentally restorative flood in the Grand Canyon.

While the bulk of Grand Canyon visitors head to the ubiquitous Grand Canyon Visitor Center located at the canyon’s south rim ...

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

Fourth graders from Bonnie Brennan Elementary School visited Grand Canyon National Park for an end of year trip. They got to ...

Hikers and experts are concerned that the Grand Canyon could experience a deadly summer with the closure of the main rim-to-rim trail.

A 74-year-old avid hiker died during a rim-to-rim trek in the Grand Canyon, park officials said. Dennis Smith, of Olympia, ...

In the 1970s, Barbara and Bradford Washburn spent seven years mapping the entire Grand Canyon. Photograph by Charles O'Rear, Nat Geo Image Collection For nearly half a century, the pair mapped the ...

For the 34th time in 37 trips to the NCAA Tournament, and the 26th time at Hillenbrand Stadium, Arizona will be hosting an ...

Grand Canyon National Park is a great destination for sustainable travel, where Xanterra runs four Green Certified Restaurants that repurpose leftover vegetable oil to fuel a train and food scraps to ...

While the White Mountains are sprinkled with bodies of water, Luna Lake flies a little under the radar. The 120-acre ...