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
November 16, 2025 - PBS News Weekend full episode
26:31
November 16, 2025 - PBS News Weekend full episode
November 15, 2025 - PBS News Weekend full episode
26:46
November 15, 2025 - PBS News Weekend full episode
November 14, 2025 - PBS News Hour full episode
57:46
November 14, 2025 - PBS News Hour full episode
November 13, 2025 - PBS News Hour full episode
57:46
November 13, 2025 - PBS News Hour full episode
November 12, 2025 - PBS News Hour full episode
57:46
November 12, 2025 - PBS News Hour full episode
November 11, 2025 - PBS News Hour full episode
57:46
November 11, 2025 - PBS News Hour full episode
November 10, 2025 - PBS News Hour full episode
57:46
November 10, 2025 - PBS News Hour full episode
November 9, 2025 - PBS News Weekend full episode
26:45
November 9, 2025 - PBS News Weekend full episode
November 8, 2025 - PBS News Weekend full episode
26:44
November 8, 2025 - PBS News Weekend full episode
November 7, 2025 - PBS News Hour full episode
56:41
November 7, 2025 - PBS News Hour full episode
November 6,  2025 - PBS News Hour full episode
57:46
November 6, 2025 - PBS News Hour full episode
November 5, 2025 - PBS News Hour full episode
57:46
November 5, 2025 - PBS News Hour full episode
Active loading indicator