At first glance, the desert landscape of Southern Utah seems like a sweeping, sun-baked canvas — wide open and endless. But ...

The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

Where Oregon's high-desert-like arid landscape meets the dark skies, there's a new, laid-back state park that rivals Arizona's Grand Canyon.

With such ancient history, there are tales and myths to be told as we walked through the swirling sculpted corridors ...

Formed over thousands of years of erosion caused by hydrothermal activity, water and other natural forces, the Grand Canyon ... The canyon is anywhere from 800 to 1,200 feet deep and features ...

Hikers were stranded in the Grand Canyon because of flash flooding, weather officials said Tuesday, but everyone eventually ...

A federal judge in Phoenix has denied motions to halt the transfer of Oak Flat to Resolution Copper ahead of the ...

America’s National Parks offer some of the most stunning landscapes in the world, from the giant redwoods to the deep canyons ...

What missed opportunities led up to the Bearspaw south feeder main rupture? Water experts and a trove of city documents ...

Plans will change quickly when the temps soar past 100 degrees. What doesn't change is the jaw-dropping, austere beauty of ...

A thrillingly doom-laden series finale, it's the most enveloping "M:I" film since "Ghost Protocol," because something's at ...

Florida’s landscape hides a 120-foot deep secret in plain sight, and it’s not another theme park or beach resort – it’s Devil ...