Up Next
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
26:45
August 24, 2025 - PBS News Weekend full episode
26:45
August 23, 2025 - PBS News Weekend full episode
57:46
August 22, 2025 - PBS News Hour full episode
57:46
August 21, 2025 - PBS News Hour full episode
57:46
August 20, 2025 - PBS News Hour full episode
57:46
August 19, 2025 - PBS News Hour full episode
26:45
April 5, 2025 - PBS News Weekend full episode
26:44
January 12, 2025 - PBS News Weekend full episode
26:45
January 11, 2025 - PBS News Weekend full episode
57:46
Israel's Prime Minister says the intense phase of the war in Gaza will end soon as Israel and the U.S. argue over weapons deliveries.
57:46
After Claudia Sheinbaum becomes the first woman to win Mexico's presidential election, a look at what that means for U.S. relations.
26:44
"PBS NewsHour" asks NATO’s Secretary General if the delayed U.S. aid to Ukraine is too late to make a difference.