A top Arizona Republican is hoping the Trump administration will do what a federal court wouldn’t: overturn a national ...

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 ...

To get there, you’ll have to hike a vertical mile into the depths of the Grand Canyon. This sought-after campground fills up quickly, so plan ahead and get your permit early. A few walk-in permits may ...