The body of the 37-year-old man, who had been visiting the park with his mother, was found on a popular trail on Sunday, the ...

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 ...

An emergency situation at the Grand Canyon forced the closure of inner corridor trails, including the Bright Angel Trail, park officials said.

While a visit to the Grand Canyon is mesmerizing and worthwhile, it's not necessarily easy. We consider the closest and most ...

The Grand Canyon's three Inner Corridor trails had to be shut after workers discovered dangerous chlorine gas at the Roaring Springs waterfall ...

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?

The Grand Canyon is one of the most iconic natural wonders in the world ...

From Grand Canyon to Petrified Forest to Saguaro National Park, here are the best things to do in Arizona's most beautiful places.