StarTalk Radio

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!

Transcribed - Published: 22 April 2025

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.

Transcribed - Published: 18 April 2025

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.

Transcribed - Published: 15 April 2025

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.

Transcribed - Published: 8 April 2025

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.

Transcribed - Published: 4 April 2025

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.

Transcribed - Published: 1 April 2025

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.

Transcribed - Published: 25 March 2025

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.

Transcribed - Published: 21 March 2025

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.

Transcribed - Published: 18 March 2025

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)

Transcribed - Published: 14 March 2025

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.

Transcribed - Published: 11 March 2025

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.

Transcribed - Published: 7 March 2025

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.

Transcribed - Published: 4 March 2025

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.

Transcribed - Published: 25 February 2025

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.

Transcribed - Published: 21 February 2025

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.

Transcribed - Published: 18 February 2025

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.

Transcribed - Published: 11 February 2025

Why does magic fool us so easily? Is our perception of reality just an illusion? Neil deGrasse Tyson and co-host Gary O’Reilly explore the neuroscience behind magic with magician Teller (of Penn & Teller) and neuroscientist Susana Martinez-Conde.

Transcribed - Published: 7 February 2025

Could slowing time increase mass? Do particles ever collide or do they just get really really close? Did anything go “bang” during the Big Bang? Neil deGrasse Tyson, co-host Paul Mecurio, and astrophysicist Charles Liu tackle these cosmic questions and more!

Transcribed - Published: 4 February 2025

How much more physics is out there to be discovered? Neil deGrasse Tyson sits down with physicist, professor, and rockstar Brian Cox, to discuss everything from the Higgs boson, life beyond our planet, and the fundamental forces that guide our universe.

Transcribed - Published: 28 January 2025

Are we on the brink of merging with machines? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly dive into the mysteries of consciousness versus intelligence, panpsychism, and AI with neuroscientist and author Anil Seth.

Transcribed - Published: 24 January 2025

Why was there more matter than antimatter left over? Neil deGrasse Tyson and comedian Chuck Nice explore the quantum origins of the universe, charge parity violation, dark matter, and the many quarks that make up our world with CERN particle physicist Harry Cliff.

Transcribed - Published: 21 January 2025

How did Einstein uncover so many fundamental theories of the universe? Neil deGrasse Tyson, comic co-host Harrison Greenbaum, and astrophysicist Janna Levin celebrate the life and legacy of Albert Einstein, accompanied by Neil’s interview with director Ron Howard. (Originally Aired March 15, 2019)

Transcribed - Published: 17 January 2025

How did Marie Curie’s discoveries in radioactivity change our understanding of the natural world? Neil deGrasse Tyson and comedian Chuck Nice sit down with science writer Dava Sobel, author of a new book on Curie, to explore the enduring impact of her work on radioactivity.

Transcribed - Published: 14 January 2025

Hypnosis—stage act or science? Neil deGrasse Tyson, joined by co-hosts Chuck Nice and Gary O’Reilly, dives into the mysterious world of hypnosis with clinical psychiatrist David Spiegel. What is hypnosis? Is it about losing control—or gaining it?

Transcribed - Published: 10 January 2025

Are we all living in The Matrix? Neil deGrasse Tyson sits down with actor Laurence Fishburne to explore the science of The Matrix, simulation theory, and who has the better deep voice. Would you take the red pill?

Transcribed - Published: 7 January 2025

Could we have reached the moon in 1700? Neil deGrasse Tyson answers the burning questions co-hosts Chuck Nice and Gary O’Reilly’s have been saving all year about immortality, redshifting photons, altering the laws of physics, and more!

Transcribed - Published: 27 December 2024

What is a gravitational wave? Janna Levin and comedian Matt Kirshen sit down with physicist Rainer Weiss to discuss LIGO, black holes, and the physics of gravitational waves.

Transcribed - Published: 20 December 2024

What is a gravitational wave? Janna Levin and comedian Matt Kirshen sit down with physicist Rainer Weiss to discuss LIGO, black holes, and the physics of gravitational waves.

Transcribed - Published: 20 December 2024

Are alien spacecraft here on Earth? Neil deGrasse Tyson and comedian Chuck Nice discuss the UAP hearings, unexplained cosmic phenomena, dark matter, and more with astrophysicist and NASA UAP chair David Spergel.

Transcribed - Published: 17 December 2024

How can we ensure technology evolves ethically in a rapidly advancing world? Neil deGrasse Tyson, Chuck Nice & Gary O’Reilly explore the challenges of designing a future where human values and AI coexist with The Future of Life Award’s 2024 recipients, Batya Friedman & Steve Omohundro.

Transcribed - Published: 13 December 2024

Could we create warp drive someday? Neil deGrasse Tyson and co-host Chuck Nice team up with astrophysicist Charles Liu to dive into the science, technology, and legacy of one of the most influential sci-fi franchises of all time: Star Trek.

Transcribed - Published: 10 December 2024

Could life hitchhike across planets? What color is the sky on Mars? Neil deGrasse Tyson and Bill Nye, the current CEO of The Planetary Society, team up to discuss the science and advocacy that goes into space exploration, unraveling the threads of discovery that define humanity's quest to understand the cosmos.

Transcribed - Published: 3 December 2024

How do food, science, and culture collide? For the first time on podcast, we’re airing Neil deGrasse Tyson’s 2018 interview with author and food expert Anthony Bourdain in its entirety. We reflect back on our differences in taste, what food is like in Antarctica, and the importance and universality of food in our lives. (Clips of this interview originally aired January 4, 2019)

Transcribed - Published: 29 November 2024

Could you travel back in time through a wormhole? Neil deGrasse Tyson sits down with theoretical physicist and Nobel Laureate Kip Thorne to reflect on discovering gravitational waves with LIGO, the science in the movie Interstellar, black holes, and many more mysteries still yet to be answered.

Transcribed - Published: 26 November 2024

What is the probability of our existence? Neil deGrasse Tyson and cohosts Chuck Nice and Gary O’Reilly learn about the probabilities all around us, the idea of risk, and how they factor into our own security in the digital age with cybersecurity expert Alex Cosoi.

Transcribed - Published: 22 November 2024

How do we predict our planet's most powerful forces? Neil deGrasse Tyson and comedian Chuck Nice learn about extreme weather, hurricanes, coronal mass ejections, and preparing for space storms hurtling our way with NOAA Administrator Richard Spinrad.

Transcribed - Published: 19 November 2024

What does it take to truly thrive on Mars? Neil deGrasse Tyson and Terry Crews answer grab bag questions about Mars, magnetic fields, photons, Hot Ones spicy wings and the entropy of muscles.

Transcribed - Published: 15 November 2024

Is the sun bigger than we think it is? Neil deGrasse Tyson and comedian Chuck Nice break down things you thought you knew about the diameter of the sun, how we got leap year, and the days of the week.

Transcribed - Published: 12 November 2024

Why haven’t we found evidence of alien civilizations? Neil deGrasse Tyson sits down with astrophysicist J. Richard Gott III to talk chess, tachyons, and what the Fermi Paradox and Copernican Principle say about humanity’s place in the cosmos. Plus, they rank super-genius movies.

Transcribed - Published: 5 November 2024

What exactly is consciousness, and why is it such a hard problem to solve? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly take you deep into the mysteries of consciousness and objective reality, David Chalmers, a philosopher and cognitive scientist.

Transcribed - Published: 1 November 2024

Will we find life alive in our very own solar system? Neil deGrasse Tyson dives into the ocean worlds beyond Earth, exploring the Europa Clipper, and the search for life in our own backyard with astrobiologist and planetary scientist Kevin Hand.

Transcribed - Published: 29 October 2024

What is fire? How do gravitational waves ripple through space-time? Neil deGrasse Tyson and comedian Harrison Greenbaum answer grab bag questions about why supernovae form black holes, photons, the singularity, and more!

Transcribed - Published: 22 October 2024

Are we all living in a simulation inside our brains? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly learn about the root of perception, if AI really is intelligent, and The Free Energy Principle with theoretical neuroscientist Karl Friston.

Transcribed - Published: 18 October 2024

What is life? Neil deGrasse Tyson and co-host Chuck Nice tackle assembly theory, artificial life, and the origin of lifeforms in the universe as we revise the definition of life with astrobiologist and theoretical physicist Sara Imari Walker.

Transcribed - Published: 15 October 2024

What does a black hole sound like? Neil deGrasse Tyson & Chuck Nice explore the sounds of the universe using JWST and Chandra X-Ray Observatory data with astrophysicist and data sonification expert Kimberly Arcand, Live at Guild Hall.

Transcribed - Published: 8 October 2024

Did early humans sing before they could talk? Neil deGrasse Tyson and Chuck Nice discover how music helps us recall memories, the Singing Neanderthal Theory, the default mode network, and how music can be used as medicine with neuroscientist and author, Daniel Levitin.

Transcribed - Published: 4 October 2024

Why did Oumuamua, the first discovered interstellar object, accelerate faster than it should? Neil deGrasse Tyson and Chuck Nice explore the mysteries of the newest objects in the solar system: “dark comets” and interstellar objects with astrophysicist Darryl Seligman.

Transcribed - Published: 1 October 2024

Can time itself die? Astrophysicist Charles Liu is back in the hosting hot seat alongside comic co-host Chuck Nice to explore black holes, big bangs, our understanding of time and how it relates to the universe.

Transcribed - Published: 27 September 2024

Is math discovered or invented? Neil deGrasse Tyson & Chuck Nice explore information theory, talking to aliens with prime numbers, Mandelbrot sets, and why math is often called the "language of the universe" with Grant Sanderson, the math educator behind YouTube channel 3Blue1Brown.

Transcribed - Published: 24 September 2024