Earth researchers have spent generations decoding the Grand Canyon, turning its cliffs and chasms into one of the clearest records of our planet’s deep past. These nine Grand Canyon facts, grounded in ...

From an ancient Egyptian hoax to a mysterious disappearances and Cold War history, here are 10 bizarre facts you probably didn't know about the Grand Canyon.

The Grand Canyon is one of the Seven Natural Wonders of the World, stretching 277 miles long and over a mile deep. Visitors can choose between the year-round South Rim, the seasonal North Rim, or the ...

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 ...