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.

When Black Holes Collide with Nergis Mavalvala

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.

1 Apr 2025 - 47 min 42 sec

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Asteroids Headed Towards Earth with Rick Binzel

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.

25 Mar 2025 - 46 min 59 sec

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The Gut-Brain Connection with Emeran Mayer

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.

21 Mar 2025 - 51 min 05 sec

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Risk is Our Business with William Shatner & Scott Kelly

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.

18 Mar 2025 - 58 min 05 sec

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Cosmic Queries– Multiverse Madness with Max Tegmark

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)

14 Mar 2025 - 48 min 08 sec

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Cosmic Queries – Before the Big Bang

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.

11 Mar 2025 - 44 min 13 sec

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Can We Predict the Future? with Charles Liu

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.

7 Mar 2025 - 54 min 10 sec

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Hubble Trouble with Hakeem Oluseyi

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.

4 Mar 2025 - 48 min 56 sec

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The Future of Fusion Energy with Fatima Ebrahimi

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.

25 Feb 2025 - 56 min 30 sec

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Solving AI’s Energy Problem with Kathryn Huff

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

21 Feb 2025 - 55 min 51 sec

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