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.

Every guest on StarTalk Radio

697 guests, ranked by how many people never want them back.

1. —
   Terence Tao

   Is the Universe a Math Problem? With Terence Tao · Feb 2026

   0 votes

   Never again
2. —
   Janna Levin

   Cosmic Queries – Origins of the Universe, with Janna Levin · 22 episodes

   0 votes

   Never again
3. —
   Elon Musk

   Extended Classic: The Future of Humanity, with Elon Musk · 2 episodes

   0 votes

   Never again
4. —
   Sara Walker

   The Origins of Life with Sara Imari Walker · Oct 2024

   0 votes

   Never again
5. —
   Sean Carroll

   Physics & Philosophy with Sean Carroll · 6 episodes

   0 votes

   Never again
6. —
   Ben Stiller

   Bringing Science to Life, with Ben Stiller · Dec 2016

   0 votes

   Never again
7. —
   Jordan Klepper

   Cosmic Queries - Smarty-Pants Trash Bin with Jordan Klepper · 4 episodes

   0 votes

   Never again
8. —
   Seth Meyers

   A Conversation With Seth Meyers · Aug 2014

   0 votes

   Never again
9. —
   Brian Cox

   Are We The Universe’s Way of Knowing Itself? With Brian Cox · 5 episodes

   0 votes

   Never again
10. —
    Stephen Colbert

    The Truthiness, with Stephen Colbert · 2 episodes

    0 votes

    Never again
11. —
    Jeff Goldblum

    Making Science Cool, with Jeff Goldblum · 2 episodes

    0 votes

    Never again
12. —
    Brian Greene

    Exploring Hidden Dimensions with Brian Greene · 12 episodes

    0 votes

    Never again
13. —
    David Sinclair

    Is Aging a Disease? Epigenetics with David Sinclair · Mar 2024

    0 votes

    Never again
14. —
    Tim Ferriss

    SEASON PREMIERE: A Conversation with Tim Ferriss · Jan 2020

    0 votes

    Never again
15. —
    Grant Sanderson

    The Language of the Universe with Grant Sanderson (3blue1brown) · 2 episodes

    0 votes

    Never again
16. —
    Yuval Noah Harari

    Inventing Society with Yuval Noah Harari · Nov 2022

    0 votes

    Never again
17. —
    Walter Isaacson
    0 votes

    Never again
18. —
    Max Tegmark

    Cosmic Queries– Multiverse Madness with Max Tegmark · 3 episodes

    0 votes

    Never again
19. —
    Sam Harris

    The Illusion of Free Will, with Sam Harris · Oct 2018

    0 votes

    Never again
20. —
    David Kipping

    Rogue Planets & Exomoons with David Kipping · 3 episodes

    0 votes

    Never again
21. —
    Betül Kaçar

    How Did Life Begin? with Betül Kaçar · May 2026

    0 votes

    Never again
22. —
    Kate Darling

    Cosmic Queries – Robot Ethics with Dr. Kate Darling · 2 episodes

    0 votes

    Never again
23. —
    Ray Kurzweil

    Could We Someday Live Forever? With Ray Kurzweil · 4 episodes

    0 votes

    Never again
24. —
    Liv Boeree

    Artificial Intelligence, Real Competition with Liv Boeree and Matt Ginsberg · Jun 2021

    0 votes

    Never again
25. —
    Martin Rees

    The Future of Us, with Sir Martin Rees · Nov 2018

    0 votes

    Never again
26. —
    Joe Rogan

    Fighting, Philosophy, and the Primal Mind, with Joe Rogan · 2 episodes

    0 votes

    Never again
27. —
    Donald Hoffman

    Is Reality Really Real? With Donald Hoffman · Jun 2026

    0 votes

    Never again
28. —
    Jonathan Haidt

    The Anxious Generation with Jonathan Haidt · Oct 2025

    0 votes

    Never again
29. —
    Chris Mason

    Cosmic Queries – Launching the Inspiration4 with Chris Mason & Sian Proctor · 2 episodes

    0 votes

    Never again
30. —
    Ariel Ekblaw

    The Future of Space Stations with Ariel Ekblaw · 2 episodes

    0 votes

    Never again
31. —
    Brian Keating

    The Beginning of the Universe with Brian Keating · 2 episodes

    0 votes

    Never again
32. —
    Jaron Lanier

    Fixing the Internet with Jaron Lanier · May 2026

    0 votes

    Never again
33. —
    Matt Walker

    The Dreaming Brain with Matt Walker · Jul 2026

    0 votes

    Never again
34. —
    Rick Doblin

    The Psychedelic Mind with Rick Doblin · Dec 2023

    0 votes

    Never again
35. —
    David Eagleman

    Your Inner Cosmos with David Eagleman · Aug 2026

    0 votes

    Never again
36. —
    Sara Seager

    Cosmic Queries – Life on Exoplanets with Sara Seager · 2 episodes

    0 votes

    Never again
37. —
    Karl Friston

    The Simulation Within with Karl Friston · Oct 2024

    0 votes

    Never again
38. —
    Harry Cliff

    Why… Anything? With Harry Cliff · Jan 2025

    0 votes

    Never again
39. —
    Richard Dawkins

    Darwin’s Daring Idea with Richard Dawkins · 5 episodes

    0 votes

    Never again
40. —
    Nick Bostrom

    Cosmic Queries – Living in a Simulation with Nick Bostrom · 2 episodes

    0 votes

    Never again