Skip to main content
Back to Show
PBS News Hour

Evidence of cosmic inflation expands universe understanding

Scientists say they have found evidence confirming a theory that our cosmos expanded from almost nothing to its first huge growth spurt in just fractions of a second after the Big Bang. A telescope at the South Pole revealed patterns and skewed light waves created by gravitational ripples from the incredible expansion. Gwen Ifill interviews Sean Carroll of the California Institute of Technology.

Support Provided By
Season
October 14, 2025 - PBS News Hour full episode
57:46
October 14, 2025 - PBS News Hour full episode
October 13, 2025 - PBS News Hour full episode
57:46
October 13, 2025 - PBS News Hour full episode
October 12, 2025 - PBS News Weekend full episode
26:45
October 12, 2025 - PBS News Weekend full episode
October 11, 2025 - PBS News Weekend full episode
26:45
October 11, 2025 - PBS News Weekend full episode
October 10, 2025 - PBS News Hour full episode
57:46
October 10, 2025 - PBS News Hour full episode
October 9, 2025 - PBS News Hour full episode
57:46
October 9, 2025 - PBS News Hour full episode
August 31, 2025 - PBS News Weekend full episode
26:45
August 31, 2025 - PBS News Weekend full episode
April 5, 2025 - PBS News Weekend full episode
26:45
April 5, 2025 - PBS News Weekend full episode
January 12, 2025 - PBS News Weekend full episode
26:44
January 12, 2025 - PBS News Weekend full episode
January 11, 2025 - PBS News Weekend full episode
26:45
January 11, 2025 - PBS News Weekend full episode
June 24, 2024 - PBS NewsHour 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.
June 3, 2024 - PBS NewsHour full episode
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.
Active loading indicator