In a state that contains the likes of the Grand Canyon and the Sedona red rocks, Meteor Crater is still one of Arizona’s ...

An exclusive, challenging hike at Meteor Crater is the closest thing to walking on the moon without going there. What hikes ...

Early in the morning of October 6, 2008, astronomers at the University of Arizona detected an asteroid on a collision course with Earth. When other sightings cropped up across the world, the ...

An exclusive, challenging hike is now available to guests visiting Meteor Crater. Here's how to visit the bottom like the ...

This piece is part of a special project on deep time examining what the Western U.S. was like thousands, millions and even billions of years ago, and how that history is still visible and ...

Nordlingen is no ordinary German town. With its red roofs, church towers, and ring of ancient walls, it wears its medieval ...