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 and Meteor Crater joining forces for Asteroid Day on June 30th truly highlights Flagstaff's enduring scientific leadership," says Schweickart. "These two institutions, both with ...

CC0 Usage Conditions ApplyClick for more information. In the northern Arizona desert, an imposing-looking crater shows the impact of an ancient meteor crash. Until the 1960s, it was mistakenly ...

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 ...