StarTalk Radio

StarTalk Radio

Science, pop culture, and comedy collide on StarTalk Radio! Neil deGrasse Tyson, astrophysicist and Director of New York's Hayden Planetarium, and his comic co-hosts, guest celebrities, and scientific experts explore astronomy, physics, and everything else there is to know about life in the universe. New episodes premiere Tuesdays. Keep Looking Up! Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.

Episodes

July 15, 2025 30 mins

What’s up with the fourth dimension? Can anything travel faster than light? Neil deGrasse Tyson and Chuck Nice explore things you thought you knew about dimensions, tachyons, and isotopes.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/things-you-thought-you-knew-faster-than-light/

Thanks to our Patrons John Amneus, Eric, LUC THEO 280, Alex Mata, Katik, David Drain, Gwen...

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Why do we die? Do we have to? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly explore the paradox of death, the science of aging, and the search for immortality with Nobel Prize-winning structural biologist Venki Ramakrishnan.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free.

Thanks to our Patrons Erick Schnell, Joey T, Nick Fortin, Karen Harbert, Jacob Kirkpatrick, Gunther Hammel, Frankie Blooding, Cynthi...

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July 8, 2025 49 mins

How much do we actually know about the universe? Neil deGrasse Tyson and comedian Chuck Nice answer fan questions from plasma propulsion to quantum gravity to black hole escape plans.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-black-hole-escape/

Thanks to our Patrons Jes Cochran, Todd Buedingen, Eugene, Nana, Richard Watkins, Mike, Christopher Gardiner...

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Are advanced civilizations doomed to destroy themselves? Neil deGrasse Tyson and Chuck Nice explore the Cold War, The Drake Equation, and nuclear winter hypothesis with producer of Cosmos and Carl Sagan’s widow Ann Druyan and atmospheric scientist Brian Toon.  

Originally Aired August 8, 2022.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/nuclear-winter-with-ann-druyan-...

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July 1, 2025 65 mins

When will the last supernova be? Neil deGrasse Tyson and Chuck Nice explore types of novas, freaky binary star systems, core collapse, standard candles, and the explosive future of Betelgeuse with astrophysicist Michael Shara.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/super-duper-novas-with-michael-shara/

Thanks to our Patrons Devon Gromko, Ron C, Blake Flynn, miche...

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Are we addicted… to revenge? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly break down the neuroscience behind revenge-seeking, what motivates violence, and how science can help stop it with James Kimmel Jr., lawyer, psychiatry lecturer at Yale School of Medicine, and author of “The Science of Revenge.” 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/the-science-of-...

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What happens when physics meets the big questions of philosophy? Neil deGrasse Tyson and comic co-host Chuck Nice sit down with Elise Crull, philosopher of physics at CUNY and author of The Einstein Paradox, to explore physics, philosophy, and how thought experiments shape real science. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/the-philosophy-of-physics-with-elise...

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Can we fix the news? On this minisode, Neil deGrasse Tyson and co-host Gary O’Reilly sit down with Harleen Kaur, former space engineer and founder of Ground News, to explore our current media landscape, navigating bias, and fixing the internet.

Go to https://ground.news/startalk to stay fully informed on the latest Space and Science news. Save 40% off through our link for unlimited access to the Vantage plan this month.

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What is string theory, really? Why does it need extra dimensions? Neil deGrasse Tyson and comedian Chuck Nice welcome theoretical physicist and mathematician Lara Anderson to guide us through string theory, higher dimensions, and finding a unifying theory of everything.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/consider-a-spherical-cow-with-lara-anderson/

Thanks to ...

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Is the whole universe actually a jinn particle? Neil deGrasse Tyson and cohosts Chuck Nice and Gary O’Reilly hang out with astrophysicist Charles Liu to answer questions about the nature of gravity, dark matter, and why we don’t actually know how the solar corona gets hot. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-dimensional-leaking/

Thanks to our P...

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June 10, 2025 37 mins

Can you measure time without something moving? Neil deGrasse Tyson and comedian Chuck Nice tackle your cosmic questions, from the Silurian Hypothesis to singularities to the edge of the known universe. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-renaming-time/

Thanks to our Patrons Mary Virdeh, Michael Bird, Andrew Knowlton, Larimore, Kat S, Todd Fergu...

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What will life be like on other planets? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice explore the origins of life on alien planets and extremophiles right here on Earth with astrobiologist Kennda Lynch. 

(Originally Aired February 22, 2022)

NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free here: 
https://www.startalkradio.net/show/alien-worlds-and-extremophiles-with-kennda-lynch/

Th...

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Why three dimensions? Neil deGrasse Tyson and comedians Chuck Nice and Hasan Minhaj celebrate 100 years of quantum physics and everywhere it’s taken us, joined by theoretical astrophysicists Brian Greene and Janna Levin.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/quantum-quandary-startalk-live-with-brian-greene-janna-levin/

Thanks to our Patrons Dr. Philip Forkuo Men...

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Can AI help us model biology down to the molecular level? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly learn about Nobel-prize-winning Alphafold, the protein folding problem, and how solving it could end disease with AI researcher, Max Jaderberg. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: https://startalkmedia.com/show/curing-all-disease-with-ai-with-max-jaderberg/

Thanks to our Patrons Ril...

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How empty is space? Neil deGrasse Tyson and Chuck Nice break down things you thought you knew about asteroid belts, the sun’s highest point in the sky, and what the real danger is in a zombie apocalypse. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/things-you-thought-you-knew-zombie-apocalypse/

Thanks to our Patrons Barry Hunter, Gabriel Arias, Red Robin, Champagne, R...

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Why can’t you divide by zero? Neil deGrasse Tyson and Chuck Nice discuss higher dimensions, dividing by zero, and math’s unsolved questions with math YouTuber Grant Sanderson (3blue1brown).

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
https://startalkmedia.com/show/the-language-of-the-universe-with-grant-sanderson-3blue1brown/

Thanks to our Patrons Nicolas Alcayaga, Ryan Harris, Ken Carter, Ryan, Mar...

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Can you trust medical information on the internet? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly team up with pharmaceutical scientist and social media “medfluencer” Morgan McSweeny (aka Dr. Noc) to break down common internet medical myths from Big Pharma to raw milk to vaccine hesitancy. Plus a discussion with filmmaker Scott Hamilton Kennedy from Shot in the Arm.

NOTE: StarTalk+ Patrons can listen to this entire episode comme...

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May 13, 2025 47 mins

What happens to gravity when matter converts to energy? Neil deGrasse Tyson and co-host Paul Mecurio dive into fan questions about the speed of light, time machine mistakes, and what Neil would do if he were an alien.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free.

Thanks to our Patrons daniel gordon, Amadeusz Synowski, Geo Bucur, Alexander Dent, Kimberly, Jordan, Kieran McMillen, Nico, Nicholas Stegers, Cu...

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Is there life on other planets? On this episode of StarTalk, Neil deGrasse Tyson and co-host Matt Kirshen dig into the search for extraterrestrial life with exoplanet expert and author of the memoir, “Smallest Lights in the Universe,” astrophysicist Sara Seager. 

Originally Aired March 15, 2021

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-life-on-exoplan...

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Could the Higgs field vary across space and time? Neil deGrasse Tyson and comic co-host Chuck Nice answer fan questions on cosmic inflation, quantum fluctuations, and the earliest moments after the Big Bang with cosmologist Brian Keating.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/the-beginning-of-the-universe-with-brian-keating/

Thanks to our Patrons Walter Krutzfel...

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