With 22 national parks and monuments to its name, Arizona boasts some of the most astonishing landscapes in the country, from the Grand Canyon to the towering buttes of Monument ...

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

Moon Grand Canyon carved out in less than 10 minutes by bullet-fast space rocks - Space rocks travelling as fast as a bullet ...

Scientists proposed an explanation for the formation of Vallis Schrödinger and Vallis Planck near the lunar south pole, which ...

Scientists say America is no longer the only place with a Grand Canyon as NASA spots two enormous chasms carved into the ...

Pack your bags. From the rocky coast of Big Sur to the mountains of the Catskills, these hand-picked romantic Airbnbs are ...

After a two-year dry spell, Grand Canyon Caverns, one of the largest dry caverns in America, will be having a grand ...

Join them for this special show here in the Cavern Live Lounge where they launch their new single ‘Domino Bones” featuring Noel Gallagher. A limited edition 7‘’ Red or Blue vinyl edition ...

GRAND CANYON NATIONAL PARK, AZ (AZFamily) — People can once again enjoy a hike at Arizona’s world-famous natural wonder. The National Park Service said on Wednesday evening that inner canyon ...

GRAND CANYON NATIONAL PARK, Ariz. – A chlorine gas leak at Grand Canyon National Park’s main water supply has forced park officials to close all inner canyon corridor trails. Officials said the leak ...

Trails in Grand Canyon National Park were closed due to a chlorine gas leak. Chlorine is used as a disinfectant in the Roaring Springs area of the park. The trails have since reopened NORTH RIM ...