Skip to main content
Donate

Up Next

Impact on ISIS fight of Iraq lawmakers' minister approvals

Impact on ISIS fight of Iraq lawmakers' minister approvals

Video
3:53
What's behind the sudden drop in US gas prices?

What's behind the sudden drop in US gas prices?

Video
3:40
Are mentally ill Americans getting adequate health care?

Are mentally ill Americans getting adequate health care?

Video
7:46
Will Promise Zones lift Eastern Kentucky out of poverty?

Will Promise Zones lift Eastern Kentucky out of poverty?

Video
8:38
US must 'strike balance between caution and panic' on Ebola

US must 'strike balance between caution and panic' on Ebola

Video
8:40
US must 'strike balance between caution and panic' on Ebola

US must 'strike balance between caution and panic' on Ebola

Video
8:40
Dozens cleared from Ebola quarantine in Texas

Dozens cleared from Ebola quarantine in Texas

Video
2:54
Will voter ID confusion affect November turnout?

Will voter ID confusion affect November turnout?

Video
12:02
Former GOP leader Bob Dole tells lawmakers to ‘get together’

Former GOP leader Bob Dole tells lawmakers to ‘get together’

Video
8:13
Why U.S. and allies can’t afford to let Kobani fall to IS

Why U.S. and allies can’t afford to let Kobani fall to IS

Video
5:19
Opera depicting a modern tragedy sparks protest

Opera depicting a modern tragedy sparks protest

Video
6:26
Will Apple Pay phase out the wallet?

Will Apple Pay phase out the wallet?

Video
4:19
Back to Show
PBS News Hour

Tracking killer comets before they strike

It's only a matter of time before a big comet or asteroid is on a collision course with Earth. Will scientists discover it, and be able to do something about it, ahead of time? Science correspondent Miles O'Brien talks to NASA astronomers who troll for trouble in the sky.
Support Provided By
February 27, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 46
February 27, 2026 - PBS News Hour full episode
February 27, 2026 - PBS News Hour full episode
February 26, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 45
February 26, 2026 - PBS News Hour full episode
February 26, 2026 - PBS News Hour full episode
February 25, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 44
February 25, 2026 - PBS News Hour full episode
February 25, 2026 - PBS News Hour full episode
February 24, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 43
February 24, 2026 - PBS News Hour full episode
February 24, 2026 - PBS News Hour full episode
February 23, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 42
February 23, 2026 - PBS News Hour full episode
February 23, 2026 - PBS News Hour full episode
February 20, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 41
February 20, 2026 - PBS News Hour full episode
February 20, 2026 - PBS News Hour full episode
February 19, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 40
February 19, 2026 - PBS News Hour full episode
February 19, 2026 - PBS News Hour full episode
February 18, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 39
February 18, 2026 - PBS News Hour full episode
February 18, 2026 - PBS News Hour full episode
February 17, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 38
February 17, 2026 - PBS News Hour full episode
February 17, 2026 - PBS News Hour full episode
February 16, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 37
February 16, 2026 - PBS News Hour full episode
February 16, 2026 - PBS News Hour full episode
February 13, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 36
February 13, 2026 - PBS News Hour full episode
February 13, 2026 - PBS News Hour full episode
February 12, 2026 - PBS News Hour full episode
57:46
Season 2026 Episode 35
February 12, 2026 - PBS News Hour full episode
February 12, 2026 - PBS News Hour full episode
Show more
Active loading indicator