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

June 6, 2025 54 mins

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/

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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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How do you recreate a brain circuit in a dish, and what can it unlock about our minds? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly explore the frontier of neuroscience with Stanford neuroscientist Sergiu Pașca, to break down stem cells, how the brain forms itself, and assembloids: self-organizing brain circuits.

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

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April 29, 2025 52 mins

How did Einstein’s work influence the world we know today? Neil deGrasse Tyson and  Harrison Greenbaum team up with astrophysicist Janna Levin, PhD, to explore Einstein’s physics and its resulting discoveries, from Walmart laser pointers to black holes and wormholes. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
https://startalkmedia.com/show/einsteins-crumbs-with-janna-levin/

Thanks to our Patrons V...

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April 22, 2025 54 mins

What are chemical reactions like in space? Neil deGrasse Tyson and Chuck Nice team up with Kate the Chemist to explore how cesium helps us tell time, the elusive quest for the periodic table’s “island of stability,” how AI is revolutionizing chemistry, and more!

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

Thanks to our Patrons m...

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April 18, 2025 58 mins

Could we create an atmospheric sun shield to halt the effects of global warming? Should we? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly are joined by climate scientist Daniele Visioni and sociologist Holly Jean Buck to explore the science and ethics of deliberately altering Earth’s climate.

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

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What happens when two black holes' event horizons overlap? Neil deGrasse Tyson and co-host Chuck Nice answer fan questions about higher dimensions, the north side of the magnet, the internal structure of other planets, and more.

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

Thanks to our Patrons Allison Carlin, Brad Hostetter, Nick, ...

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Could it be that another universe’s gravity is bleeding into our universe? Neil deGrasse Tyson and  Chuck Nice answer grab bag questions ranging from dark matter to the end of the universe. 

(Originally Aired February 8, 2021)

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-dark-matter-aliens-end-of-the-universe/

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Why are there different types of clouds? Neil deGrasse Tyson and comedian Chuck Nice break down things you thought you knew about twilight, how clouds are made, and why Earth’s coastlines change. 

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

Thanks to our Patrons Kevin, Jaden Peters, Margaret Berry, TheGSTip, Wisdom Ajayi...

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Are plants more aware than we think? Do they have feelings? Neil deGrasse Tyson, Gary O’Reilly, and Harrison Greenbaum explore the intelligence of plants with astrobotanist Simon Gilroy. From venus flytraps to space farming, we dig deep into the secret world of plants.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/astrobotany-plant-intelligence-with-simon-gilroy/

Thanks...

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How do we detect ripples in spacetime? Neil deGrasse Tyson and comedian Harrison Greenbaum explore black hole collisions, quantum tricks, and how gravitational waves can help us uncover the early universe with MIT physicist and LIGO researcher Nergis Mavalvala.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/when-black-holes-collide-with-nergis-mavalvala/

Thanks to our Pa...

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How likely is an asteroid to impact Earth? Neil deGrasse Tyson and Chuck Nice sit down with planetary scientist Rick Binzel, the creator of the Torino Scale, to discuss asteroid hazards, the results of the asteroid sample return, and the search for Planet 9.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/asteroids-headed-towards-earth-with-rick-binzel/

Thanks to our Patr...

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Is your gut controlling your brain? Neil deGrasse Tyson, Gary O’Reilly, & Chuck Nice dive into the gut-brain connection, GLP-1, and how this connection plays a role in conditions like anxiety, IBS, and even neurodegenerative diseases with gastroenterologist Emeran Mayer.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
https://startalkmedia.com/show/the-gut-brain-connection-with-emeran-mayer/

Thanks to o...

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