Paleontologists unearthed fossils in the Grand Canyon dating back more than 500 million years that offer a new look into a ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the ...

Learn how the Grand Canyon used to be home to an ancient evolutionary competition that has since left behind a plethora of ...

Recently unearthed fossils from the Cambrian period shed light on a key stage of evolution, when life became much more ...

New research links the impact at Meteor Crater to a Grand Canyon landslide that may have created an ancient lake 56,000 years ...

Zion, Grand Canyon, Yellowstone, Yosemite, and Glacier are among the most popular U.S. national parks—here's how to get off the beaten path when visiting.

Highway closures and evacuations remain in effect as a wildfire burns more than 58,000 acres in Coconino County. It is one of ...

If you are into off-the-grid, rugged terrain, Grand Canyon-Parashant National Monument may be one of the "last truly wild" ...

Less famous but just as unforgettable, these state parks showcase iconic landscapes without the long lines at America’s national parks.

Shutterstock Ribbon Falls, Grand Canyon Few people know about the 8.4-mile trek down the North Kaibab Trail that leads to an ...