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
57:46
November 26, 2025 - PBS News Hour full episode
57:46
November 25, 2025 - PBS News Hour full episode
57:46
November 24, 2025 - PBS News Hour full episode
26:45
November 23, 2025 - PBS News Weekend full episode
26:45
November 22, 2025 - PBS News Weekend full episode
57:46
November 21, 2025 - PBS News Hour full episode
57:46
November 20, 2025 - PBS News Hour full episode
57:46
November 19, 2025 - PBS News Hour full episode
57:46
November 18, 2025 - PBS News Hour full episode
57:46
November 17, 2025 - PBS News Hour full episode
26:31
November 16, 2025 - PBS News Weekend full episode
26:46
November 15, 2025 - PBS News Weekend full episode