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

January 9, 2026 49 mins

Is time fundamental to the universe or a human construct? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly explore our brain’s relationship with time, how we remember the past, and project the future with Dean Buonomano, Professor of Neurobiology and Psychology at UCLA.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/your-brain-is-a-time-machine-with-dean-buonomano/

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Can quantum tunneling occur at macroscopic scales? Neil deGrasse Tyson and comedian Chuck Nice sit down with John Martinis, UCSB physicist and 2025 Nobel Prize winner in Physics, to explore superconductivity, quantum tunnelling, and what this means for the future of quantum computing.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
https://startalkmedia.com/show/macroscopic-quantum-tunneling-with-john-...

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What’s the true color of the sun? Neil deGrasse Tyson and comic co-host Chuck Nice discuss things you thought you knew about the color of the Sun, the sound of weather, and why friction is our friend. 

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

Thanks to our Patrons Jorge Aguirre, C&C Angeli, Len Brandis, Alan Parker,...

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What’s the deal with the strong nuclear force? Neil deGrasse Tyson answers the burning questions Chuck Nice, Gary O’Reilly, and the StarTalk Team have been saving all year about gravity as a force, cosmic rays, free will, emergence, and how physicists decide which equations to apply. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/our-burning-questions-free-will-emergen...

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What’s a supervolcano? Neil deGrasse Tyson and comic co-host Matt Kirshen discover all types of volcanoes in the solar system with cosmochemist and author of Fire and Ice: The Volcanoes of the Solar System, Natalie Starkey. Is there such a thing as an ice volcano?

Originally Aired October 5, 2021. 

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

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Are we in a simulation? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice take a deep dive into simulation theory, consciousness, and free will with Oxford theorist Nick Bostrom. Is this The Matrix? 

Originally Aired December 21, 2021.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-living-in-a-simulation-with-nick-bostrom/

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December 16, 2025 66 mins

How did scientists discover evidence for dark energy? Neil deGrasse Tyson and comedian Paul Mecurio explore dark energy, Hubble tension, and the beginning and end of the universe with astrophysicist and Nobel laureate, Adam Riess.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/origins-of-dark-energy-with-adam-riess/

Thanks to our Patrons micpoc, Nathan, Matthew, Aislynn ...

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December 12, 2025 51 mins

Are our parts replaceable? Neil deGrasse Tyson, Chuck Nice, & Gary O’Reilly sit down with bestselling author Mary Roach, who discusses her newest book, Replaceable You, and the quest to grow organs, build parts, and engineer the human body.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/replaceable-you-with-mary-roach/

Thanks to our Patrons Hubert Górecki, Michele and Da...

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What if our universe is the inside of a black hole… inside another black hole? Neil deGrasse Tyson and Paul Mecurio answer a grab bag of fan questions about black hole mergers, the misconception about gravity assists, and if there’s such a thing as laws of physics.

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

Thanks to our Patrons Beth, Rebecca Yoswein, Leigh, Desiree Doporto, Bao Le, Thomas Alvarez, Eri...

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What is truly foundational to the universe? Neil deGrasse Tyson and Chuck Nice welcome particle physicist Brian Cox for a discussion about emergence, particles, consciousness, and the very fabric of spacetime. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/are-we-the-universes-way-of-knowing-itself-with-brian-cox/

Thanks to our Patrons Kyrie Diantonio, Brandon Zimmerman...

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Are we making science fiction a reality? Is that a good thing? Neil deGrasse Tyson, Chuck Nice, & Gary O’Reilly and guest Adam Becker, science communicator and author of More Everything Forever, discuss sci-fi dreams, tech-bro promises, and the real science shaping our tomorrow.

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

Thanks to our Patrons Jeremiah Washington, Lawrence Burr, PAscal, Melissa Lange, N...

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November 25, 2025 64 mins

Can you listen to a picture of the universe? Neil deGrasse Tyson and Chuck Nice welcome back Chandra X-ray Observatory data-sonification expert Kim Arcand of the to explore how translating cosmic data into sound lets us sense the universe in entirely new ways. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/sounds-of-the-cosmos-with-kim-arcand/

Thanks to our Patrons Will...

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November 21, 2025 52 mins

Albert Einstein was, well, Albert Einstein. But was he right? Neil deGrasse Tyson and Chuck Nice investigate what it took to prove Einstein right, with theoretical physicist Dr. Jim Gates.

Originally Aired October 19, 2020.

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

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Do you feel the need… the need for speed?! Neil deGrasse Tyson and Chuck Nice break down things you thought you knew about force vs. pressure, heat vs. temperature, and speed vs. acceleration.

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

Thanks to our Patrons Maria Almeida, Mitchel M, Christopher Nelson, Bob Swanson, Addiso...

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Why can’t we run through walls if atoms are mostly empty space? Neil deGrasse Tyson, Chuck Nice, Gary O’Reilly, and astrophysicist Charles Liu explore force fields, warp drive, invisibility, and quantum physics behind superhero powers.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/superhero-science-startalk-live-with-charles-liu/

Thanks to our Patrons Dave, Downtime Cof...

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November 11, 2025 45 mins

What would a four-dimensional being see if it looked at us? In this episode, Neil deGrasse Tyson and Chuck Nice answer fan questions covering higher-dimensional surgery, space elevators, alien intelligence, and colliding galaxies. Could spacetime itself be a cosmic crystal?

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

Thanks to our Patr...

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November 4, 2025 59 mins

How do you know what you know? Neil deGrasse Tyson and comedian Chuck Nice explore issues with quantum mechanics and objectivity, the history of physics, and how scientists ask questions on the edge of our understanding with philosopher of physics Elise Crull.

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

Thanks to our Patrons Eri...

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What does loneliness do to our brains? Neil deGrasse Tyson, Chuck Nice, and Gary O’Reilly explore how the loneliness epidemic impacts our minds, bodies, and even our lifespan with neuroscientist Ben Rein, author of Why Brains Need Friends: The Science of Social Connection.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: https://startalkmedia.com/show/what-loneliness-does-to-your-brain-with-ben-rein/

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October 28, 2025 60 mins

How can we build a new Moon program while slashing science funding? Bill Nye takes the host’s chair alongside Chuck Nice to tackle one of the most urgent issues facing our future in space with Casey Dreier, Chief of Space Policy at The Planetary Society, who’s been tracking and analyzing NASA’s funding for years. 

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

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October 24, 2025 49 mins

Which Alien movie would be easiest to survive? Neil deGrasse Tyson and Chuck Nice answer Cosmic Queries about aliens in film alongside Jake Roper, host of the YouTube channel Vsauce3 and their series “Could You Survive The Movies?”

Originally aired January 13, 2020.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-aliens-with-jake-roper/

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