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PODCAST

PBS Space Time

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 with our astrophysicist host: Matthew O’Dowd. For all business inquiries and sponsorship opportunities please reach out to: pbsspacetime@lighthouseagents.com Matt O"Dowd spends his time studying the universe, especially really far-away things like quasars, super-massive black holes, and evolving galaxies. He uses telescopes in space to

science astronomy

All Episodes

16:24

Should Space be Privatized? | Space Time

PBS Space Time ·

2026/10/05

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACEUploaded 07-03-18Will the future of space exploration be guided by public or private entities? Which is better?Learn more about CuriosityStream at https://curiositystream.com/spacetimeYou can further support us on Patreon at https://www.patreon.com/pbsspacetimeGet your own Space Time tshirt at http://bit.ly/1QlzoBiTweet at us! @pbsspacetimeFacebook:

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15:50

Hawking Radiation

PBS Space Time ·

2026/10/04

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACEUploaded 15-03-18It’s the most famous prediction of perhaps the most famous genius of our time ... Stephen Hawking's theory of Hawking Radiation.You can further support us on Patreon at https://www.patreon.com/pbsspacetimeGet your own Space Time t-shirt at http://bit.ly/1QlzoBiTweet at us! @pbsspacetimeFacebook: facebook.com/pbsspacetimeEmail us! pbsspacetime [at] gmail [dot]

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13:12

Scientists Have Detected the First Stars

PBS Space Time ·

2026/10/03

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACEUploaded 21-03-18What do the first stars in the universe, dark matter, and superior siege engines have in common? You can further support us on Patreon at https://www.patreon.com/pbsspacetimeGet your own Space Time t-shirt at http://bit.ly/1QlzoBiTweet at us! @pbsspacetimeFacebook: facebook.com/pbsspacetimeEmail us! pbsspacetime [at] gmail [dot] comComment on Reddit:

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15:46

The Andromeda-Milky Way Collision

PBS Space Time ·

2026/10/03

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE The Andromeda galaxy is heading straight toward our own Milky Way. The two galaxies will inevitably collide. Will that be the very last night sky our solar system witnesses? You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook:

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14:58

The Unruh Effect

PBS Space Time ·

2026/10/02

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Worried about black holes? Consider this: Every time you accelerate - you generate an event horizon behind you. The more you accelerate away from it the closer it gets. Don’t worry, it can never catch up to you, but the Unruh radiation it generates sure can. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at

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18:25

The Physics of Life (ft. It's Okay to be Smart & PBS...

PBS Space Time ·

2026/10/01

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE It's OK to be Smart - Where Did Life Come From? https://youtu.be/_uAJY1mqtw4 Eons - What Was the Ancestor of Everything? https://youtu.be/pk213XSSktQ Our universe is prone to increasing disorder and chaos. So how did it generate the extreme complexity we see in life? Actually, the laws of physics themselves may demand it. You can further support us on Patreon at

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16:31

Using Stars to See Gravitational Waves

PBS Space Time ·

2026/09/30

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Thank you to Brilliant for sponsoring this episode! To find out more, visit: https://brilliant.org/SpaceTime Now that gravitational waves are definitely a thing, it’s time to think about some of the crazy things we can figure out with them. In some cases we’re going to need a gravitational wave observatory - in fact, we've already built one. You can further support us on

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15:16

Black Hole Swarms | Space Time

PBS Space Time ·

2026/09/30

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE It’s been conjectured that the center of the Milky Way is swarming with tens of thousands of black holes. And now we’ve actually seen them. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail

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14:48

The Star at the End of Time

PBS Space Time ·

2026/09/29

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE If we, or any conscious being is around to witness the very distant future our galaxy, what will they see? How long will life persist as the stars begin to die? Subscribe to Hot Mess: https://www.youtube.com/channel/UCsaEBhRsI6tmmz12fkSEYdw You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at

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14:30

How Gaia Changed Astronomy Forever

PBS Space Time ·

2026/09/28

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE The great advances in any science tend to come in sudden leaps. April 25th of 2018 marks the beginning of just such a leap for much of astronomy. In the early hours of the morning, the Gaia mission’s second data release dropped. Our understanding of our own galaxy will never be the same again. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get

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17:46

Noether's Theorem and The Symmetries of Reality

PBS Space Time ·

2026/09/27

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE To learn more about Brilliant, you can go to https://brilliant.org/spacetime/ Conservation laws are among the most important tools in physics. They feel as fundamental as you can get. And yet they’re wrong - or at least they’re only right sometimes. These laws are consequences of a much deeper, more fundamental principle: Noether’s theorem. You can further support us on

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18:27

Why Quantum Information is Never Destroyed

PBS Space Time ·

2026/09/27

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE If you have perfect knowledge of every single particle in the universe, can you use the laws of physics to rewind all the way back to the Big Bang? Is the entire history of the universe perfectly knowable? Or has information somehow lost along the way? You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at

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18:52

What Survives Inside A Black Hole?

PBS Space Time ·

2026/09/26

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE You can get a free trial of The Great Courses Plus at http://ow.ly/c7tI30hIva3 We’ve established by now that black holes are weird. The result of absolute gravitational collapse of a massive body: a point of hypothetical infinite density surrounded by an event horizon. At that horizon time is frozen and the fabric of space itself cascades inwards at the speed of light. Nothing

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20:14

The Black Hole Information Paradox

PBS Space Time ·

2026/09/25

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Thank you to Brilliant for sponsoring this episode! To find out more, visit: https://brilliant.org/SpaceTime We’ve established by now that black holes are weird. The result of absolute gravitational collapse of a massive body: a point of hypothetical infinite density surrounded by an event horizon. At that horizon time is frozen and the fabric of space itself cascades inwards

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15:42

How Asteroid Mining Will Save Earth

PBS Space Time ·

2026/09/24

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Thanks to Audible for supporting PBSDS. To start your free 30 day trial and receive a free audiobook visit https://www.audible.com/spacetime or text spacetime to 500 500! The days of oil may be numbered, but there’s another natural resource that’s never been touched, Asteroids. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space

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18:33

Will A New Neutrino Change The Standard Model?

PBS Space Time ·

2026/09/24

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Thanks to Curiosity Stream for supporting PBSDS. You can get the first 60 days free if you sign up at curiositystream.com/spacetime and use the code "spacetime" during the sign-up process. Since the discovery of the Higgs boson, physicists have searched and searched for any hint of new particles. That search has been fruitless. Until, perhaps, now. Today on Space Time Journal

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17:48

Quantum Invariance & The Origin of The Standard Model

PBS Space Time ·

2026/09/23

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE In simple terms a gauge theory is one that has mathematical parameters, or “degrees of freedom” that can be changed without affecting the predictions of the theory. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us

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16:04

The Misunderstood Nature of Entropy

PBS Space Time ·

2026/09/22

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Entropy and the second law of thermodynamics has been credited with defining the arrow of time. You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit:

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18:45

Reversing Entropy with Maxwell's Demon

PBS Space Time ·

2026/09/22

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Can a demon defeat the 2nd Law of Thermodynamics? You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime Help translate our

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18:59

How Close To The Sun Can Humanity Get?

PBS Space Time ·

2026/09/21

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Parker Space Probe successfully launched on August 12!!! http://parkersolarprobe.jhuapl.edu/ Help Us with the PBS Digital Studios Survey: https://to.pbs.org/2018YTSurvey Check Out PBS ReInventors: http://youtube.com/pbsreinventors You can further support us on Patreon at https://www.patreon.com/pbsspacetime Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at

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