StarTalk Radio

Neil deGrasse Tyson

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!

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1,119 episodes
Updated Friday

Episodes1119

Newest first

February 20 · 1 hr 31 min
The Origins of Artificial Intelligence with Geoffrey Hinton
How did we go from digital computers to AI seemingly everywhere? Neil deGrasse Tyson, Chuck Nice, & Gary O’Reilly dive into the mechanics of thinking, how AI got its start, and what deep learning really means with cognitive and computer scientist, Nobel Laureate, and one of the architects of AI, Geoffrey Hinton.
February 17 · 49 min
Cosmic Queries – Your God Is Too Small
What’s more terrifying: finding alien life or finding out we are alone in the universe? Neil deGrasse Tyson and comic co-host Chuck Nice dive into fan questions about optics, religion, communicating with entanglement, and life on Earth after humans.
February 13 · 1 hr 13 min
Cosmic Queries – Quantum Consciousness with Charles Liu
Is your consciousness a quantum phenomenon? Is the universe one predetermined block? Neil deGrasse Tyson and cohosts Chuck Nice and Gary O’Reilly answer grab bag questions about quantum theory, the cosmological constant, and retrocausality with astrophysicist Charles Liu.
February 10 · 40 min
Thing You Thought You Knew – Red Hot, Blue Hot
How small is a molecule? What is the color of light? How can quantum physics spoil food? Neil deGrasse Tyson and comic co-host Chuck Nice visualize a molecule’s actual size, break down the different colors of light, and the physics of what’s going on in your fridge.
February 6 · 45 min
Cosmic Queries – Understanding Infinity with Stephon Alexander
What is infinity? Neil deGrasse Tyson and comedian Negin Farsad explore whether we are in a finite universe, the issues with infinity, string theory, and more with theoretical physicist Stephon Alexander.
February 3 · 51 min
Return to Venus with David Grinspoon
Is there life in the Venusian Clouds? Neil deGrasse Tyson and comic co-host Chuck Nice are joined by planetary astrobiologist David Grinspoon to discuss NASA’s return to Venus, our space future, and whether we’ll find life in our solar system.
January 27 · 47 min
Cosmic Queries – Black Hole Information Paradox
What do astrophysicists mean when they talk about “information”? Neil deGrasse Tyson and comic co-host Chuck Nice dive into questions about the black hole information paradox, moon moons, wormholes between black hole universes, and more!
January 23 · 54 min
What Everyone Knows You Know with Steven Pinker
What happens when everyone knows what everyone knows? Neil deGrasse Tyson and comic co-host Chuck Nice dive into human psychology and how recursive common knowledge is the invisible glue holding civilization together with cognitive scientist and author, Steven Pinker.
January 20 · 1 hr
Cosmic Queries – The Complex Universe with Sean Carroll
What does Hawking radiation look like falling into a black hole? Will we ever find a theory of everything? Neil deGrasse Tyson and comedian Chuck Nice answer questions about invisible fields, many worlds, entropy, the theory of everything, and more with theoretical physicist and philosopher Sean Carroll.
January 16 · 46 min
Cosmic Queries – Galactic Grab Bag – Blue Steel
Terraforming mars? How do black holes die? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice answer questions about the moon, periodic table of elements, light photons, black holes and more! Originally Aired August 3, 2021
January 13 · 48 min
Cosmic Queries – Expanding Bubble Universes
Is time dilation just the data loading in a cosmic simulation? Neil deGrasse Tyson and Chuck Nice answer grab bag questions about saving the Sun, generation spaceships, bubble universes, and more!
January 9 · 49 min
Your Brain is a Time Machine with Dean Buonomano
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.
January 6 · 57 min
Macroscopic Quantum Tunneling with John Martinis
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.
Dec 30, 2025 · 47 min
Things You Thought You Knew – The Color of the Sun
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.
Dec 26, 2025 · 57 min
Our Burning Questions – Free Will Emergence
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.
Dec 23, 2025 · 55 min
Cosmic Queries – Space Volcanoes: Fire and Ice with Natalie Starkey
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.
Dec 19, 2025 · 53 min
Cosmic Queries – Living in a Simulation with Nick Bostrom
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.
Dec 16, 2025 · 1 hr 6 min
Origins of Dark Energy with Adam Riess
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.
Dec 12, 2025 · 51 min
Replaceable You with Mary Roach
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.
Dec 9, 2025 · 54 min
Cosmic Queries – Multiverse Nesting Dolls
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.

StarTalk Radio

The Origins of Artificial Intelligence with Geoffrey Hinton

Cosmic Queries – Your God Is Too Small

Cosmic Queries – Quantum Consciousness with Charles Liu

Thing You Thought You Knew – Red Hot, Blue Hot

Cosmic Queries – Understanding Infinity with Stephon Alexander

Return to Venus with David Grinspoon

Cosmic Queries – Black Hole Information Paradox

What Everyone Knows You Know with Steven Pinker

Cosmic Queries – The Complex Universe with Sean Carroll

Cosmic Queries – Galactic Grab Bag – Blue Steel

Cosmic Queries – Expanding Bubble Universes

Your Brain is a Time Machine with Dean Buonomano

Macroscopic Quantum Tunneling with John Martinis

Things You Thought You Knew – The Color of the Sun

Our Burning Questions – Free Will Emergence

Cosmic Queries – Space Volcanoes: Fire and Ice with Natalie Starkey

Cosmic Queries – Living in a Simulation with Nick Bostrom

Origins of Dark Energy with Adam Riess

Replaceable You with Mary Roach

Cosmic Queries – Multiverse Nesting Dolls