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.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

56:42
May 1, 2025 - PBS News Hour full episode

56:44
April 30, 2025 - PBS News Hour full episode

56:45
April 29, 2025 - PBS News Hour full episode

56:45
April 28, 2025 - PBS News Hour full episode

26:45
April 27, 2025 - PBS News Weekend full episode

26:45
April 26, 2025 - PBS News Weekend full episode

57:46
April 25, 2025 - PBS News Hour full episode

57:46
April 24, 2025 - PBS News Hour full episode

57:46
April 23, 2025 - PBS News Hour full episode

56:44
April 22, 2025 - PBS News Hour full episode

56:44
April 21, 2025 - PBS News Hour full episode

26:45
April 20, 2025 - PBS News Weekend full episode