Tonto Natural Bridge State Park sits in the mountains near Pine, and it’s home to one of the world’s largest natural ...

President Theodore Roosevelt made the area a game preserve in 1906 and created Grand Canyon National Monument in 1906, ...

Explore these New York spots where culture, nature, and innovation come alive, showing the state’s energy like never before.

More than 50,000 years ago, a meteor hit Earth and formed what we now call Meteor Crater in northern Arizona. But new ...

A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.

A look at who's who and what they are playing for in the men's and women's college basketball mid-major Mountain West.

The Great Unconformity is a major gap in Earth's geologic record. The missing layer between Precambrian and Cambrian rocks represents a gap of around a billion years of history. Among much debate ...

The Giles-House copyrighted e-book, “Geology of the Lower Owyhee River, Oregon’s Grand Canyon,” is now online at www.owyheegeology.com as a free downloadable document. An improved second edition will ...

Titan, the largest moon of Saturn, may have been even more instrumental to the system’s evolution than we thought, forming ...

A 30-year-old man from Idaho drowned on the Colorado River last week after he was swept overboard while running a powerful rapid in Grand Canyon National Park.