geology

When Apollo 16 astronauts landed on the moon fifty years ago today, one of their first stops was a crater they named Flag. That’s a secret tribute to Flagstaff, Arizona, where the astronauts did their geology training. KNAU’s Melissa Sevigny spoke with local space historian Rich Kozak about Flagstaff’s unique connection to Apollo 16. Kozak has amassed a collection of archival tape about the revolutionary moon mission.

The Grand Canyon is full of footprints, not all of them made by people or four-footed animals. Divots in solid rock show where ancient arthropods walked, long ago.

A new study tackles the mystery of the missing rocks at the bottom of the Grand Canyon. Scientists call this feature the Great Unconformity. It’s a…

About 30 miles north of Flagstaff sits one of the region’s most magnificent-yet-perplexing geological features. Red Mountain is a cinder cone that formed…

The Flagstaff Festival of Science begins today and it’s all about astronauts. The theme is To the Moon and Beyond in honor of the 50th anniversary of the…

NASA astronaut candidate Jessica Watkins recently came to Flagstaff for geologic field training training along with astronaut Don Pettit. He's spent a…

For centuries, Native Americans have cherished a compact, fine-grained clay called pipestone. Its common name comes from their use of larger pieces of it…

This week we’re celebrating the 50th anniversary of the first Apollo moon landing, and its unique connection to Northern Arizona…. If you were born before…

This week we’re celebrating the 50th anniversary of the Apollo moon landing, and its unique connection to Northern Arizona. Every astronaut who walked on…

This week we’re celebrating the 50th anniversary of the Apollo moon landing and its unique connection to Northern Arizona. Everyone who walked on the moon…