Carving the Grand Canyon: Evidence, Theories, and Mystery

About this event

The Grand Canyon is one of the planet's most iconic landscapes, yet a fundamental question remains unresolved: How-and when-did it form? Despite nearly 170 years of scientific investigation, geologists continue to debate the canyon's origins. Geologist and author Wayne Ranney has lived and worked in and around the Grand Canyon for more than five decades and has closely followed the evolving theories surrounding its creation. From the earliest geological studies of the 1850s to groundbreaking research conducted in the 2020s, scientists have sought to decipher the cryptic clues preserved within the canyon's rocks and landforms. New discoveries and innovative techniques have challenged long-held assumptions and offered intriguing new perspectives on this mystery. Join Ranney for a fascinating journey through deep time as he examines the competing theories behind the formation of the Grand Canyon and reveals why one of Earth's greatest natural wonders continues to captivate scientists and visitors alike. General Information View Common FAQs and Policies about our Online Programs on Zoom .