If you’ve ever longed to see the inside of the Grand Canyon but realized the treacherous hike or the even scarier mule ride ...

With backcountry camping, river swims and endless solitude, the multi-day Escalante hiking route offers deep insight into the Grand Canyon.

Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.

Rafting through the Grand Canyon comes with a long list of expectations, including towering canyon walls, cold river water, ...

6 day Rafting & Hiking trip on Colorado River in the Upper Grand Canyon - Lee's Ferry to Phantom Ranch. Major highlights: North Canyon, South Canyon, Vasey's Paradise, Redwall Cavern, Bridge of Sigh, ...

Scientists are learning more about how water moves through the Grand Canyon, and how what happens above ground affects what ...

FLAGSTAFF, Ariz. (AP) — A Denver man has logged the fastest Grand Canyon river trip on record, battling blisters and rapids as he paddled his kayak down a 277-mile stretch of the Colorado River in 34 ...

Developers bought 500 acres from the town of Page, Arizona, to build a $10 billion data center adjacent to Horseshoe Bend ...

A study finds traces of forever chemicals and pharmaceutical drugs in Grand Canyon waterways.

USGS biologists tag humpback chub to monitor life in a changing Grand Canyon river. Biologist Lindsay Hansen and her USGS team work day and night to study the federally threatened humpback chub in the ...