Paleontologists unearthed fossils in the Grand Canyon dating back more than 500 million years that offer a new look into a ...

Recently unearthed fossils from the Cambrian period shed light on a key stage of evolution, when life became much more ...

Shutterstock Ribbon Falls, Grand Canyon Few people know about the 8.4-mile trek down the North Kaibab Trail that leads to an ...

Could these places disappear forever? They absolutely can, which is why now is the perfect time to visit these seven endagered lands before they're gone forever.

In a surprising twist, two of Arizona’s most iconic landmarks—Meteor Crater and the Grand Canyon—may be linked by a cosmic ...