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 astronauts of yesteryear.

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 ...

Meteor Crater in Arizona will begin offering guided hikes to the crater floor starting in May. The trail follows the same path Apollo astronauts used to train for moon landings. These advanced hikes ...

Arizona’s Meteor Crater, a timeless scar from a cosmic collision 50,000 years ago, continues to unveil its mysteries, reshaping our understanding of Earth’s geological past. Recent studies underscore ...