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 ...

A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.

New research shows that when an asteroid slammed into the moon billions of years ago, it carved out a pair of grand canyons ...

The Earth's Grand Canyon took millions of years to carve, but the moon's grand canyons took about ten minutes.

From dinner at a Sedona restaurant with a stunning view to a romantic garden stroll, here's your Valentine's Day inspiration ...

The Palisades fire wiped out something rare in affluent, celebrity-studded Pacific Palisades: an affordable beachfront ...

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

Aegean Dreams The island of Santorini in Greece is famous for its iconic sunsets. Crowds gather in the village of Oia to ...

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

Planning your next vacation to the extraordinary, iconic, stupendous Grand Canyon? Carved out by the Colorado River over ...

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 ...