Mysterious driftwood high in Grand Canyon caves hints at the legacy of Arizona’s huge impact crater.

WINSLOW, AZ (AZFamily) — An asteroid hit the Earth in what is now known as northern Arizona about 50,000 years ago. It left a giant crater that draws people from all over the world. Nestled between ...

Lowell Observatory, Meteor Crater and Barringer Space Museum will partner to host a celebration for Asteroid Day Arizona on Monday, June 30. Th daylong celebration features family-friendly science ...

Some 50,000 years ago, a meteor struck near what is now Flagstaff, Arizona, leaving a 560-foot-deep crater. More recently, an invitation landed in my inbox: a chance to tour the crater — the “world’s ...

View from the Grand Canyon's South Rim onto Nankoweap Delta. Remnants of a past natural dam created by a landslide are visible on the far side of the Colorado River, just to the left of the dry bed of ...