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 ...

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 ...

“Leave it as it is,” declared U.S. President Teddy Roosevelt after a 1903 sojourn at the Grand Canyon. “You cannot improve on it. The ages have been at work on it, and man can only mar it.” More than ...

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 ...

The Grand Canyon is one of the world's most mystifying and mesmerizing natural formations. A place of rich Native American culture, ancient geology, and unique fossils, this Natural Wonder of the ...

I’m happy to announce the release of my latest book, "Awesome Arizona: 200 Amazing Facts About the Grand Canyon State." It just felt like someone needed to come out and say it. Arizona is awesome!

There are few natural wonders that can challenge the great jaw-dropping size and beauty of the Grand Canyon. It is a mile deep and 10 miles across, showcasing an eye-catching array of layered red rock ...

Diana Crandall is a deputy editor of automation at Forbes Marketplace. With a master's degree in journalism from the University of Southern California and a background in marketing, she combines ...

Let me just start by saying, I loved this book. I loved his previous book. What author am I referring to and what books you might wonder? Kevin Fedarko thrilled, educated, inspired, and left me hungry ...

Add Yahoo as a preferred source to see more of our stories on Google. In Grand Canyon National Park, Toroweap Overlook is the best vantage point on the North Rim to catch a sunrise and the Colorado ...