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

Park highlights include glacially carved peaks and lakes, stunning views, six National Historic Landmarks, and more than 700 ...

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

Reader's Digest named a historic road that crosses several popular tourist destinations in Arizona as one of the best places to travel in 2026.

This past week, nonagenarian Don Kelsey — a retired educator and handyman — visited Lowell Observatory with family and friends to introduce them to an old friend whose story threads through some of ...

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 ...

Flagstaff is one of the snowiest cities in the U.S., but snowfall amounts can be erratic from year to year. The city's high elevation of 7,000 feet and mountainous terrain are the primary reasons it ...

The Geminid meteor shower is an annual event visible from December 4 through December 17. This year's shower will peak on the night of December 13-14. Unlike most meteor showers which come from comets ...

The 2025 skywatching season is closing out with its biggest display of shooting stars. The Geminid meteor shower peaks this weekend and is known for producing more than 120 bright meteors an hour ...

A massive, well-preserved impact crater has been uncovered in Guangdong, revealing the signature of a powerful meteorite strike during the Holocene. Measuring 900 meters across, it dwarfs other known ...

Scientists have discovered a massive asteroid impact crater in China. The bowl-shaped depression is some 900 meters wide—more than eight times the length of a football field. In a paper published last ...