The Dragon Bravo Fire has closed the North Rim for 2025. These 10 destinations are worthy alternatives to Grand Canyon North ...

Rocks gathered along the Colorado River contained evidence of a bustling community of animals in an ancient sea.

Paleontologists unearthed fossils in the Grand Canyon dating back more than 500 million years that offer a new look into a ...

Researchers have often turned to the Grand Canyon's layers of sedimentary rock to discover pivotal moments in the history of ...

Previously, rocks from the formation were dated to about 4.3 billion years, but the two isotope ratios didn’t agree, causing some scientists to dispute the age.