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 ...

That's good news for NASA, which is looking to land astronauts at the south pole on the near, Earth-facing side later this ...

Many Scottsdale golf courses make list of best private golf courses in Arizona, as do Phoenix courses. See the list of resort ...

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

A colossal impact billions of years ago carved out the canyons that rival the most breathtaking features here on Earth in a matter of minutes, ...

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

The vast valleys of Vallis Schrödinger and Vallis Planck demonstrate the incredible forces that shaped the face of the Moon.

The lunar canyons Vallis Schrödinger and Vallis Planck are extraordinarily deep, and scientists now know the valleys were ...

Zion National Park to Grand Canyon road trip guide • Discover the best route, scenic stops, travel tips, and must-see ...

This January, lots of hotel news came across TPG's desk, including a new Holiday Inn at the Grand Canyon, reservations opening at the forthcoming Rosewood Amsterdam and more.

Shutterstock The Grand Canyon State is a Certified Stargazing Paradise Arizona has some of the darkest, clearest skies in the ...

From a Denver hotel resembling an aspen grove to national-parks-adjacent stays with mountain-bike rentals and train access into the Grand Canyon, these new places are definitely on our vacation radar ...