Skip to main content

Up Next

The Alchemy of Neutron Star Collisions

The Alchemy of Neutron Star Collisions

Season 5 Episode 23
11:24
How Black Holes Kill Galaxies

How Black Holes Kill Galaxies

Season 5 Episode 24
11:20
The Quantum Internet

The Quantum Internet

Season 5 Episode 26
11:35
Did Time Start at the Big Bang?

Did Time Start at the Big Bang?

Season 5 Episode 27
12:30
What Caused the Big Bang?

What Caused the Big Bang?

Season 5 Episode 28
13:12
What Happened Before the Big Bang?

What Happened Before the Big Bang?

Season 5 Episode 29
10:23
How To Become an Astrophysicist

How To Become an Astrophysicist

Season 5 Episode 30
12:45
Is Earth's Magnetic Field Reversing?

Is Earth's Magnetic Field Reversing?

Season 5 Episode 31
12:46
Could We Terraform Mars?

Could We Terraform Mars?

Season 5 Episode 32
15:33
Is Pluto a Planet?

Is Pluto a Planet?

Season 5 Episode 33
14:03
How Many Universes Are There?

How Many Universes Are There?

Season 5 Episode 34
14:03
Back to Show
PBS Space Time

The Cosmic Dark Ages

Season 5 Episode 22

We live in the stelliferous era. Somewhere between 10 and 1000 billion trillion stars fill the observable universe with light. But there was a time before the first star ignited. A time we call the cosmic dark ages.

Only Available with Passport Starting
Support Provided By
Season
New Discovery About Supermassive Black Holes Explained!
13:25
Why has a newly discovered a black hole started pointing directly at us?
How Far Beyond Earth Could Humanity Spread?
15:57
There’s a hard limit to humanity’s expansion in the universe. So, how big can we get?
How Much Of The Universe Can Humanity Ever See?
16:49
Let’s figure out the absolute limit of our future view of the universe!
What If Black Holes Are Dark Energy?
16:34
Let see if Black Holes and Dark Energy are the same thing!
What’s Your Brain’s Role in Creating Space & Time?
16:28
Physics is the business of figuring out the structure of the world. So are our brains.
Are Space and Time Real?
18:58
Does the next level of physics require us to do away with space and time?
How Does The Nucleus Hold Together?
14:28
Nuclei are held together by a quirk of nature, without which there’d be nothing.
How Does the Earth Really Move Through The Galaxy?
16:29
Your motion through the universe is extremely complicated, so let’s figure it out!
What If Alien Life Were Silcon-Based?
14:47
Could there silicon-based life beyond Earth?
What If The Universe Is Math?
17:33
If you believe the Mathematical Universe Hypothesis then yes. And so are you.
The New Science of Moon Formation
15:32
Learn more about the time when the moon didn’t exist, and then hours later suddenly did.
How Can Matter Be Both Liquid And Gas?
15:19
We explore Supercritical Fluids and how being "in the between" is their superpower.
Active loading indicator