

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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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
Mentioned books

14 snips
Dec 9, 2025 • 55min
Cosmic Queries – Multiverse Nesting Dolls
In this lively discussion, comedian Paul Mecurio joins Neil deGrasse Tyson to tackle cosmic curiosities. They ponder if our universe could reside inside a black hole, leading to mind-bending theories of nesting universes. The duo explores how gravity assists work through amusing anecdotes, while delving into the true nature of time at black holes' event horizons. Paul’s comedic touch lightens the heavy topics of Hawking radiation and cosmic selection, making astrophysics both intriguing and entertaining!

37 snips
Dec 2, 2025 • 1h 44min
Are We The Universe’s Way of Knowing Itself? With Brian Cox
Brian Cox, a renowned particle physicist and professor known for his engaging science communication, joins Neil deGrasse Tyson and Chuck Nice for a captivating discussion. They explore concepts like emergence, highlighting how consciousness may emerge from brain physics. Brian shares fascinating insights on the nature of particles, spacetime, and the ongoing debates in quantum gravity. They also tackle the implications of information overload in today's world and the scientific responsibility we carry with new technologies.

38 snips
Nov 28, 2025 • 54min
AGI, Immortality, & Visions of the Future with Adam Becker
In this engaging conversation, Adam Becker, a science communicator and author with a PhD in computational cosmology, explores the intersection of technology and society. He delves into the practical challenges of colonizing Mars, critiquing the promises of tech billionaires and the misconceptions around immortality. The discussion covers the limits of exponential tech growth and why many futurist visions may overlook critical resources. Adam also sheds light on how science fiction reflects societal issues, arguing for a responsible approach to innovation.

Nov 25, 2025 • 1h 4min
Sounds of the Cosmos with Kim Arcand
Join Kim Arcand, a visualization scientist from Chandra X-ray Observatory, as she dives into the fascinating world of data sonification. Discover how translating cosmic phenomena into sound opens new sensory experiences of the universe, benefiting both blind and sighted researchers. Kim also explains how her work helps reveal the unseen through X-ray technology, sonifies black holes, and even creates 3D models for accessibility. Plus, she shares insights on her new family book that explores strange cosmic wonders!

31 snips
Nov 21, 2025 • 53min
Cosmic Queries – Proving Einstein Right
The episode features Dr. Jim Gates, a renowned theoretical physicist and director at Brown University's Center for Theoretical Physics. Together with Neil deGrasse Tyson and Chuck Nice, he explores the journey of proving Einstein’s theories correct, detailing the necessary experimental proofs. Gates dives into Einstein's mathematical struggles, the significance of gravitational lensing, and the clash between general relativity and quantum mechanics. The discussion also touches on groundbreaking concepts like string theory and the search for gravitons, highlighting the magic of mathematics in unraveling the universe.

29 snips
Nov 18, 2025 • 41min
Things You Thought You Knew – Force, Heat, & Speed
Dive into the fascinating world of force, pressure, heat, and temperature! Learn how a small spotter can assist a heavy lifter through balanced forces. Discover why coffee feels hotter than the ocean but holds less heat energy. Neil explains how pressure influences everyday life, from snowshoes to tornadoes. Plus, explore how our bodies perceive acceleration and why car design affects the driving experience. Buckle up for a thrilling ride through the science of motion!

25 snips
Nov 14, 2025 • 1h 18min
Superhero Science: StarTalk Live! With Charles Liu
Charles Liu, an astrophysicist and author, joins to unravel the science behind superhero powers. Discover why we can’t run through walls despite atoms being mostly empty space. Liu explains quantum tunneling and the Casimir effect, along with the implications of invisibility technology. The conversation dives into warp drives, X-ray vision, and the thermodynamics of fire-breathing heroes. Liu also explores the mind-bending concepts of quantum entanglement and the many-worlds hypothesis, all while keeping the science engaging and accessible.

26 snips
Nov 11, 2025 • 45min
Cosmic Queries – Quantumly Stupid
What would a four-dimensional being see when gazing at us? Dive into the peculiarities of higher dimensions, including how 2D creatures perceive 3D life! Explore the practicality of space elevators and ponder the biology of aliens. With humorous takes on time travel and the enigmatic nature of black holes, the hosts contemplate their role in galaxy dynamics. Could spacetime really be a cosmic crystal? Tune in for an entertaining blend of cosmic curiosity and scientific speculation!

59 snips
Nov 4, 2025 • 59min
The Limits of Knowing with Elise Crull
Elise Crull, a philosopher of physics and associate professor at CUNY, dives into fascinating discussions about the history and philosophy of quantum mechanics. She explains how philosophy has evolved from natural philosophy to modern physics. Crull highlights the challenges of objectivity in quantum mechanics, discussing entanglement and non-locality. They explore the significance of collaboration between scientists and philosophers, and how questioning fundamental assumptions can reshape our understanding of the universe. This enlightening conversation blurs the lines of knowledge and perception.

22 snips
Oct 31, 2025 • 1h 6min
What Loneliness Does To Your Brain with Ben Rein
Join neuroscientist Ben Rein, author of Why Brains Need Friends, as he dives into the fascinating science of loneliness. He distinguishes between isolation and loneliness, revealing how the latter triggers stress and affects brain chemistry with hormones like oxytocin and serotonin. Discover the stark contrast between virtual and in-person interactions and how they impact our mood. Rein also discusses societal causes of the loneliness epidemic and offers practical tips to help those feeling isolated, emphasizing the importance of community and connection.


