Those who've poked along the old, cross-country Route 66 through the American Southwest in Arizona might have accidentally driven by, or perhaps spotted, what looks like a giant, bowl-shaped hole in ...

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 ...

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 ...

A new study highlights the striking coincidence in the geologic ages of the famous Meteor Crater in Arizona and a landslide dam that blocked the Colorado River, forming a paleolake in the Grand Canyon ...