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

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/

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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/

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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/

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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/

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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/

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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/

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What happens when you put Captain Kirk, a NASA astronaut, and Neil deGrasse Tyson on a ship to Antarctica? Recorded on board with William Shatner and Scott Kelly, this episode explores the thrill of discovery — from rough seas to deep space — and what it means to boldly go.

This episode of StarTalk, recorded live from Drake Passage during the Space2Sea Voyage of Legends to Antarctica, is presented in collaboration with FUTURE of SPA...

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Do we live in one of many universes? On this episode of StarTalk, Neil deGrasse Tyson and comic co-host Chuck Nice investigate the theory of the multiverse with physicist, author, and professor Max Tegmark. 

(Originally Aired March 22, 2021)

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-multiverse-madness-with-max-tegmark/

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March 11, 2025 42 mins

What does it really mean for us to be made of stardust? Neil deGrasse Tyson and co-host Paul Mecurio answer fan questions about particle colliders, time travel, and what existed before the Big Bang. 

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/cosmic-queries-before-the-big-bang/

Thanks to our Patrons John 73, BrianSmiley, Brian Johnson, TIm, Klaus Wagner, Cynthia A St...

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What does the future hold? Neil deGrasse Tyson teams up with comic co-host Chuck Nice, Gary O’Reilly, and astrophysicist Charles Liu to break down our visions of the future – and take Neil to task on his own predictions.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
https://startalkmedia.com/show/can-we-predict-the-future-with-charles-liu/

Thanks to our Patrons Walter Kinslow, Eric Johnston, Marta M, ...

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March 4, 2025 48 mins

Is “now” just an illusion? Neil deGrasse Tyson and comic co-host Paul Mecurio answer questions on the Higgs Field, dark energy, and the feasibility of Dyson spheres with astrophysicist Hakeem Oluseyi.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/hubble-trouble-with-hakeem-oluseyi/

Thanks to our Patrons Omar Video, Dan Carson, Joy Jack, Christine Bryant, Andrea Andrade,...

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Is fusion the future of energy and space travel? Neil deGrasse Tyson and co-host Paul Mecurio explore the cutting-edge science of plasma physics and fusion energy with Fatima Ebrahimi, a physicist at Princeton Plasma Physics Lab.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: https://startalkmedia.com/show/the-future-of-fusion-energy-with-fatima-ebrahimi/

Thanks to our Patrons Christopher Salins, Alan...

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Is nuclear power the key to sustainability? With data centers consuming massive amounts of energy, can we keep up? Neil deGrasse Tyson, Gary O’Reilly & Paul Mecurio discuss the physics, safety, and future of nuclear reactors in a world of increasing power demands with nuclear engineer Kathryn Huff.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/solving-ais-energy-proble...

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What do crime waves, contagious diseases, and social trends have in common? Neil deGrasse Tyson and co-host Chuck Nice welcome best-selling author Malcolm Gladwell to explore the hidden forces that drive human behavior.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https://startalkmedia.com/show/revenge-of-the-tipping-point-with-malcolm-gladwell/

Thanks to our Patrons Matt Silkowski, Dylan moffitt, G...

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Is anything real? Is time just a construct? On this episode, Neil deGrasse Tyson and comic co-host Matt Kirshen answer your far-out questions about black holes, dark matter, and the universe with astrophysicist Janna Levin. 

(Originally Aired Tuesday, March 8 2022)

NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free here: https://www.startalkradio.net/show/cosmic-queries-stoner-edition-with-janna-levin/...

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February 11, 2025 49 mins

What can gamma rays tell us about supernovae and galaxy formation? Neil deGrasse Tyson and co-host Chuck Nice sit down with astrophysicist Tim Paglione to explore high-energy cosmic phenomena, gamma rays, and the extreme events that create them.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
https://startalkmedia.com/show/the-extreme-universe-with-tim-paglione/

Thanks to our Patrons Alexander Storts, C...

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