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PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down the both the basic and incredibly complex sides of space and time.

Stories

December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 12, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...
December 11, 2017
Space Time explores the outer reaches of space, the craziness of astrophysics,...

Episodes

Season 5
Episode 24
When we first realized that black holes could have masses of millions or even billions of...
Season 5
Episode 21
Quantum computing is cool, but you know what would be extra awesome - a quantum internet...
Season 5
Episode 20
How do you take a picture of a black hole and what can we learn from it? Our first ever...
Season 5
Episode 19
We’ve been failing to detect dark matter for decades. Finally, the latest failure to...
Season 5
Episode 18
We live in a universe with 3 dimensions of space and one of time. Up, down, left, right,...
Season 5
Episode 17
Have you ever asked “what is beyond the edge of the universe?” And have you ever been...
Season 5
Episode 15
The power of Dark Energy may be increasing as the universe ages. Subtle clues are...
Season 5
Episode 14
The private space-race has been on for a while now. The attention has been on Space-X...
Season 5
Episode 12
Hook up an old antenna to your TV and scan between channels. The static buzz you hear is...
Season 5
Episode 11
Invisible to the naked eye, our night sky is scattered with the 100s of billions of...
Season 5
Episode 10
Challenge question: if 1kg of apples is $5 and 2kg is $10, how much is -1kg of apples?...
Season 5
Episode 9
The search for a single number: the hubble constant, which is the rate of expansion of...
Season 5
Episode 8
The foundations of quantum theory rests on its symmetries. For example, it should be...
Season 5
Episode 7
Astronomers are the worst at naming things. Dark energy AND dark matter? Who can remember...
Season 5
Episode 6
There’s this idea that beauty is a powerful guide to truth in the mathematics of physical...
Season 5
Episode 4
How did life on Earth get started? Did life on Earth originate on another planet? Either...
Season 5
Episode 3
To repeat the space time maxim: it’s never aliens … until it is. So let’s talk about ‘...
Season 5
Episode 2
Let me tell you a story about virtual particles. It may or may not be true.
Season 5
Episode 1
Some see string theory as the one great hope for a theory of everything – that it will...

Specials

What happens when matter can’t get any denser yet somehow does? The answer - it becomes...
Did all of dark energy just vanish? A team of scientists have just analyzed new data and...
Is our universe a definitive single reality or is it merely one within an infinitely...
Elon Musk’s SpaceX program proposes that 100 people could be sent to colonize Mars within...
Primordial black holes may be lurking throughout our universe. How large are they, how...
The Hubble Telescope found more evidence of vast plumes of water bursting through the icy...
Albert Einstein strongly disagreed with Niels Bohr when it came to Bohr’s interpretation...
We’ll soon be capable of building self-replicating robots. This will not only change...


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Blast off into the cosmos with astrophysicist Matt O'Dowd.