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 ...

In 1891, America’s first Chief Geologist, G.K. Gilbert — working for J.W. Powell, of Grand Canyon fame — rode his horse through the forests of the San Francisco Peaks. He was surveying volcanic cinder ...

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 ...