Outdoor retailer REI has closed its Experiences business. Here's what that means for the campground it planned to open in ...

If you're planning a trip to Arizona's Grand Canyon, don't forget to check out this nifty little pool in its depths. But be ...

Two Grand Canyon-size features on the far side of the moon were likely formed in about 10 minutes after an unknown object ...

The National Park Service opened a lottery for extended self-guided rafting trips along the Colorado River in Grand Canyon National Park this week, offering hundreds of spots for 2026.

The far side of the Moon has its own versions of the Grand Canyon—two of them, in fact! A new study explains how these deep ...

New Mexico's beautiful slot canyon, with its picturesque western views, dramatic white rock formations, and endless horizon, ...

Arizona may officially be the Grand Canyon State and for good reason. But there are other nicknames associated with the state. Do you know them?

On the Reddit thread r/arizona, users share things about the Grand Canyon state that they find underrated, from food and ...

From spectacular landscapes — hello, Havasu Falls — to artistic wonders, here are 10 of the most beautiful things to see in ...

REI Experiences included adventure travel, day trips and classes. The closure also means the end of REI's Signature Camps, including one that was planned to open this spring near Grand Canyon ...