Skip to main content
Back to Show
PBS News Hour

Visiting the 'doomsday glacier' that’s melting away

The Thwaites Glacier is the largest, most menacing source of rising sea levels all over the world, and it is melting at an alarming rate. For years, scientists have warily watched it from afar, but in November, a team set out on a perilous journey to investigate what is happening below. Science correspondent Miles O’Brien reports on what they discovered.

Support Provided By
Season
December 9, 2025 - PBS News Hour full episode
56:45
December 9, 2025 - PBS News Hour full episode
December 8, 2025 - PBS News Hour full episode
56:45
December 8, 2025 - PBS News Hour full episode
December 7, 2025 - PBS News Weekend full episode
24:09
December 7, 2025 - PBS News Weekend full episode
December 6, 2025 - PBS News Weekend full episode
24:09
December 6, 2025 - PBS News Weekend full episode
December 5, 2025 - PBS News Hour full episode
57:46
December 5, 2025 - PBS News Hour full episode
December 4, 2025 - PBS News Hour full episode
57:46
December 4, 2025 - PBS News Hour full episode
December 3, 2025 - PBS News Hour full episode
57:46
December 3, 2025 - PBS News Hour full episode
December 2, 2025 - PBS News Hour full episode
57:46
December 2, 2025 - PBS News Hour full episode
December 1, 2025 - PBS News Hour full episode
57:46
December 1, 2025 - PBS News Hour full episode
November 30, 2025 - PBS News Weekend full episode
24:09
November 30, 2025 - PBS News Weekend full episode
November 29, 2025 - PBS News Weekend full episode
24:09
November 29, 2025 - PBS News Weekend full episode
November 28, 2025 - PBS News Hour full episode
57:46
November 28, 2025 - PBS News Hour full episode
Active loading indicator