From an ancient Egyptian hoax to a mysterious disappearances and Cold War history, here are 10 bizarre facts you probably ...

Monday marks 108 years since the Grand Canyon was declared a National Monument. It's "the one great sight which every American should see," according to Theodore Roosevelt. As the only of the Seven ...

Scientists have spent over a century arguing about when the Colorado River first carved through the Colorado Plateau. A diverse set of geologic studies continues to strongly support a 5–6 Ma ...

The U.S. is home to 63 national parks, and each has scenic views, geographically diverse locations and distinct flora and fauna. One of the most well-known is Grand Canyon National Park. No matter if ...

The Grand Canyon has long been held up as a textbook example of slow, steady erosion carving a young gorge into ancient rock. New research is now challenging that familiar storyline, suggesting the ...

Lodging at Grand Canyon National Park was closed since Dec. 6 due to water restrictions. Now, the park prepares to welcome back overnight guests.

Grand Canyon National Park will begin reopening South Rim hotels Wednesday, Dec. 17, after crews completed critical repairs ...

Snaking through the wild heartlands of northern Arizona, the world's most dramatic canyon is grand in name and grand in nature. Carved over millions of years by the Colorado River and ancient ...