Researchers have found a link between two geological events in iconic locations of the U.S. Southwest that scientists previously didn't think had anything to do with each other.

U.S. land managers have long known that they have a problem on their hands with overgrown forests and persistent drought.

A new study suggests ancient wood floated into a cave far above the Colorado River when a meteorite-induced earthquake triggered a landslide, a dam, and an ancient lake.

Jamie Coffin recalls being one of several people flown out of the Grand Canyon because of a chlorine gas leak.

Those players were expecting to be playing for a new coach this season after their head coach, Matt Werle, left the Lopes in February to pursue an opportunity at Kansas. They did not, however, expect that new coach would be Olmstead. The incoming players can take comfort in the relationship Olmstead has with their former coaches.

Wildfires can burn and spread differently depending on what vegetation they burn. The two fires in northern Arizona have varied landscapes. Ponderosa pine trees grow near the North Rim of the Grand Canyon and can live for hundreds of years.

The Dragon Bravo Fire started on July 4 and was managed at first as a controlled burn. Then the wind picked up, and it quickly became uncontrollable.