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

Paleontologists named the worm Kraytdraco spectatus, for its resemblance to a Star Wars monster. They say it sheds light on ...

As of July 22, firefighters expanded containment efforts for both of the wildfires that scorched over 70,000 acres in far ...

Rocks gathered along the Colorado River contained evidence of a bustling community of animals in an ancient sea.

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

Roadless forests in Utah are far more valuable for fish and wildlife habitat and recreation than for timber production.

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.

The U.S. Bureau of Reclamation should start planning to modify the Glen Canyon Dam, which plugs the Colorado to form Lake ...

Businesses that are fueled by tourist dollars now fear they will lose money with two wildfires burning near the Grand Canyon.

Located more than 200 feet below the surface near Peach Springs, the Grand Canyon Caverns and Inn offers visitors a rare ...

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