Skip to main content
Back to Show
PBS News Hour

Grand Canyon May Be 60 Million Years Older Than Thought

A newly published study renews an old debate about the age of the Grand Canyon, positing a possibility that the geographical formation could be tens of millions of years older than current wisdom suggests, dating back to the time of dinosaurs. Margaret Warner talks to science correspondent Miles O'Brien about its significance.

Support Provided By
Season
September 5, 2025 - PBS News Hour full episode
57:46
September 5, 2025 - PBS News Hour full episode
September 4, 2025 - PBS News Hour full episode
57:46
September 4, 2025 - PBS News Hour full episode
September 3, 2025 - PBS News Hour full episode
57:46
September 3, 2025 - PBS News Hour full episode
September 2, 2025 - PBS News Hour full episode
57:46
September 2, 2025 - PBS News Hour full episode
September 1, 2025 - PBS News Hour full episode
57:46
September 1, 2025 - PBS News Hour full episode
August 31, 2025 - PBS News Weekend full episode
26:45
August 31, 2025 - PBS News Weekend full episode
August 30, 2025 - PBS News Weekend full episode
26:45
August 30, 2025 - PBS News Weekend full episode
August 29, 2025 - PBS News Hour full episode
57:46
August 29, 2025 - PBS News Hour full episode
August 28, 2025 - PBS News Hour full episode
57:46
August 28, 2025 - PBS News Hour full episode
August 27, 2025 - PBS News Hour full episode
57:46
August 27, 2025 - PBS News Hour full episode
August 26, 2025 - PBS News Hour full episode
57:46
August 26, 2025 - PBS News Hour full episode
August 25, 2025 - PBS News Hour full episode
57:46
August 25, 2025 - PBS News Hour full episode
Active loading indicator