Skip to main content
Donate

Up Next

News Wrap: David Cameron calls for airstrikes in Syria

News Wrap: David Cameron calls for airstrikes in Syria

Video
8:23
Albuquerque’s crazy idea: giving homeless people jobs

Albuquerque’s crazy idea: giving homeless people jobs

Video
7:34
Iraq’s Yazidi’s return home to Sinjar

Iraq’s Yazidi’s return home to Sinjar

Video
7:01
Were pilgrims America’s original economic migrants?

Were pilgrims America’s original economic migrants?

Video
8:20
France, Russia unify to fight Islamic State

France, Russia unify to fight Islamic State

Video
5:40
Is it possible to build 'meat' out of plant protein?

Is it possible to build 'meat' out of plant protein?

Video
4:17
225 Years of Presidential Thanksgiving meals

225 Years of Presidential Thanksgiving meals

Video
1:27
Hamilton Jordan's coming of age in the segregated South

Hamilton Jordan's coming of age in the segregated South

Video
6:26
Residents react as their tent city is dismantled

Residents react as their tent city is dismantled

Video
1:25
Gunman storms Planned Parenthood in hours-long siege

Gunman storms Planned Parenthood in hours-long siege

Video
4:02
Survivor of the Paris attacks shares his path to healing

Survivor of the Paris attacks shares his path to healing

Video
6:42
GOP 2016 candidates face critical moment as field tightens

GOP 2016 candidates face critical moment as field tightens

Video
3:47
Back to Show
PBS News Hour

How Einstein’s theory of relativity changed the world

This week marks the 100th anniversary of the publication of papers laying out Albert Einstein’s theory of relativity. In honor of the anniversary, Gwen Ifill examines how Einstein changed our understanding of the cosmos with Einstein biographer Walter Isaacson.
Support Provided By
September 18, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 192
September 18, 2026 - PBS News Hour full episode
September 18, 2026 - PBS News Hour full episode
September 17, 2026 - PBS News Hour full episode
56:45
Season 2026 Episode 191
September 17, 2026 - PBS News Hour full episode
September 17, 2026 - PBS News Hour full episode
September 16, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 190
September 16, 2026 - PBS News Hour full episode
September 16, 2026 - PBS News Hour full episode
September 15, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 189
September 15, 2026 - PBS News Hour full episode
September 15, 2026 - PBS News Hour full episode
September 14, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 188
September 14, 2026 - PBS News Hour full episode
September 14, 2026 - PBS News Hour full episode
September 11, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 187
September 11, 2026 - PBS News Hour full episode
September 11, 2026 - PBS News Hour full episode
September 10, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 186
September 10, 2026 - PBS News Hour full episode
September 10, 2026 - PBS News Hour full episode
September 9, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 185
September 9, 2026 - PBS News Hour full episode
September 9, 2026 - PBS News Hour full episode
September 8, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 184
September 8, 2026 - PBS News Hour full episode
September 8, 2026 - PBS News Hour full episode
September 7, 2026 - PBS News Hour full episode
56:46
Season 2026 Episode 183
September 7, 2026 - PBS News Hour full episode
September 7, 2026 - PBS News Hour full episode
September 4, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 182
September 4, 2026 - PBS News Hour full episode
September 4, 2026 - PBS News Hour full episode
September 3, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 181
September 3, 2026 - PBS News Hour full episode
September 3, 2026 - PBS News Hour full episode
Show more
Active loading indicator