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 ...

Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico Distinguished Professors Emeritus Karl Karlstrom and Laurie Crossey, along with ...

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 ...

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 ...

Researchers suggest the impact that created Arizona's Meteor Crater may have triggered a massive landslide in the Grand Canyon around 56,000 years ago. © Kring 2017 ...

In all likelihood, June 30, 1908, began as a normal morning in Siberia. At last, the frozen boreal woods had given way to the thaw of early summer. The dawn was interrupted when a light nearly as ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

I perched on the edge of disaster. Oddly enough, I wanted to laugh, perhaps in a strange effort to reduce the planet’s best ...