Episodes

  • Bug Splat Galaxies with Mordecai-Mark Mac Low
    Jun 30 2026

    What type of planets orbit black holes? Neil deGrasse Tyson and comic co-host Negin Farsad sit down with Mordecai-Mark Mac Low to crack open the mysteries of galaxy collisions, dark matter, and the massive planetary systems around black holes.

    NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
    https://startalkmedia.com/show/bug-splat-galaxies-with-mordecai-mark-mac-low/

    Thanks to our Patrons Alex, Sadashiv Nayak, Raviteja K, Lian Zhalka, Thomas Davis, Alex Yumashev, Charles Koehl, Matthew Maldonado, Aleksandre Khatiskatsi, Grig Coker, Matthew Ardebili, Japeth Mitchell, Gaaary, Ian Patton, Casey Steelspine, Veninator, Hannu Latvakoski, Santiago Aguirre, Jonathan Caples, Ryan Wetmore, Dan Lepping, Chris, Frank Betz, William Massar, Jason Durden, Jenny Patton, LiveAlive42, Kesh Iyer, scott ezell, Jesse Jensen, Javier E. Gonzalez, rk89, Courteney Kawalek, James Martin, seth forever, Why So Serious, Jared Kennington, andrew bash, David Pillado, Jennie Hrobak, Mariana, Robbie Rogers, Michael Huckey, Anthony Torres, Luke Gilliam, David Hasenauer, Libby Higgins, Willie Lo, Mike B, and Rhagor for supporting us this week.

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    59 mins
  • Is Reality Really Real? With Donald Hoffman
    Jun 26 2026

    Did evolution never give us the ability to see reality as it actually is? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly sit down with cognitive scientist Donald Hoffman to explore what neuroscience, evolutionary game theory, and consciousness suggest about the nature of reality itself.

    NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
    https://startalkmedia.com/show/is-reality-really-real-with-donald-hoffman/

    Thanks to our Patrons Ptp317, Marcus Murrell, Michael Hall, Michael, Ben C, Michelle Lynn, Teddy, Miguel Cruz, Joe M, Kate, Joshua Gordon, Grand Maester Ali, Chen Hillel, pwhGalaxy, Freddie Lucena, Umbrella Counseling, StellarDude, Bill Whiteside, Cory Hohs, Sam Henderson, Michael, Jozefa Hernon, Foxfyre, Deniz Nägeli, Jack O'Melia, Tricia Richardson, Theresa Coale, Johan UniverseEnds, time, Nat Jax, Brad Weinstein, Lubna AlJalal, Andreas, Sea Kayaker, Drew King warzone, James P. Gillis, Ruben D. Lopez, Nicolas Alvarez, Sharuvan, Steven Gilbert, Kit Cheshire, Morgan Doyle, Juliette, Dan Rogers - Cypher_Epsilon, Bweefk, Gavin Berg, Damien Wade, Anders Carlsson, Hailey Snyder, Mike Landers, and Keith Freeman for supporting us this week.

    Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early.
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    1 hr and 14 mins
  • Things You Thought You Knew – Rocks Float
    Jun 23 2026

    What would happen in a world with too much oxygen? Neil deGrasse Tyson and Chuck Nice break down how rocks actually float, warm blankets, and why oxygen isn’t actually flammable.

    NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
    https://startalkmedia.com/show/things-you-thought-you-knew-rocks-float/

    Thanks to our Patrons Oli H, Michael, Dodo Moon, Dylan Halse, David Kovner, Alex Morales, Anthony Cole, Mark Stephenson, Dane, Lisa LaVergne, TheCamo1989, Peter, Alyce Adams, Gabriel Prusan, Abby, Rose, Hal Crimm, Khawaja Rashid, Deb Driscoll, Unknown, Robert Scholl, Kristin Laskey, Rahh, Oleg Dashevsky, Mark, Shayan Alvarez, Andre, C.J. Meyer, Kipley Kerley, Jaimie Mcneil, Carmen Hairapetian, Melissa Clark, Alan, Christian Vermeulen, Matt Rosenberg, Elisa Huertas, Chiren C, Tom, Lisa Wade, Emiliano Munoz, Wayne Bell, DM Peterson, Maxwell Warner, John Antoniou, Craig Lowry, Steve, Erica Waterman, Bailee's Clubhouse, Tim Weil, Katie Morphonios, Riley, MotionChickness, Ryan, David Jenkinson, Talon Scherwinski, Troy Taylor, Conrado, Hanes Welday, NA NA, Travis Osborne, Pasquale, Zach Truett, Jacqueline Thompson, HorrificFang, Mike Preston, Mike Meyers, CC, Mandy Potts, Mandy, Erik Rosales, Nate Harter, Daniel Kerrigan, Carl Celizic, Tyler Blankenship, William Haglid, David Martinez, Khayyal Cameras, Panch Jeyakumar, and Dylan Halcomb for supporting us this week.

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    45 mins
  • Disclosure Day with Steven Spielberg & David Koepp
    Jun 16 2026

    Have aliens already secretly visited us? Neil deGrasse Tyson sits down with Steven Spielberg and screenwriter David Koepp to discuss their new film Disclosure Day, alien contact, and why Spielberg believes there’s more out there than meets the eye.

    NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
    https://startalkmedia.com/show/disclosure-day-with-steven-spielberg-david-koepp/

    Thanks to our Patrons GrassCobra, Donnie Foos, Ms Fattahipour, Nick, Sean Van Dommelen, Wendy, Jennifer Cramer, Marce Marie, Wooderpy the Wise, Ryan Taggart, McKenna, Leroy McReA, joseph, Lauren Katz, Chance Brandt, Cierra Baker, John Haney, Gogov, Silent, Cory Ford, Gary Flugge, Dylan Jennings, Sarah Perfetto, Kenneth, Alia Over The Years, Paul Gale, Sean McCallum, Alana Heyser, William Rinear, Prashanth Vissapragada, Łukasz Nyczkowski, Thorsten Rock, Pete Checchia, Marike Kreeftmeijer, Marilyn Geer Rivera, Ryan Pickhardt, Chad Chadwell, jlparques, Jack Yantz, Peter Magnusson, victoria, Abel, Daniel C Schlack, LabratMatt, Vishal Shankaran, Chris M, Brian Trudeau, Amrita A, Alexandra Swanson, Halvy, Ethan Murray, Emily Zelaya, ArdyMcHardy, Daniel Almada, kartik goswami, Kurt Blumeyer, hunter nash, Ryan Greer, johntravolta88, Cody, wackerow, Akash Gaur, Anthony Dannucci, Chelbie Hinton, Ron Hooper, Neil Smallwood, Elderbobo, BigBodyBimmer, ghost with a thought, and Pablo Giles Sanz for supporting us this week.

    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.


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    55 mins
  • Conquering Fear with Alex Honnold
    Jun 12 2026

    Is the fear of heights innate or learned? Neil deGrasse Tyson, Chuck Nice, and Gary O'Reilly explore taking risks, the neuroscience of fear, and how to overcome it with freestyle rock climber and subject of the film Free Solo, Alex Honnold, and neuroscientist Heather Berlin.

    NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
    https://startalkmedia.com/show/conquering-fear-with-alex-honnold/

    Thanks to our Patrons Joseph Savage, Grace Smith, Joe Pacillo, Gregory Wright, Eric Brothwell, IvanM, Pattie Particle, Cory Fenstermaker, James H Lawson, embreebane, Dai Stiho, Raymond C King, J M, Alex Wheeler, Jason Rushmore, Idris, Damian Correa, Dylan Woody, Julia Nolen, Chris Petit, Anna, David Kapner, Lalo, Vic, Ash Anthony, Wayne Stubblefield, Robin Fordham, EL_Bdo, Teresita Brown, Heather Walker, Christian Cummins, NS, Trenton Clark, Pou Lay, Joya, Derek Bolka, Diego Calderón, Charles Kimmel IV, Josh Folland, Gerard Kennedy, Hunter Ruigrok, Chris Frazier, Yasmany Cubela Medina, Julian Childs, Brandon Sachs, Scott Warren, Moses Bulondo, Sai Kiran, Zalijah Stahl, Crystal Monahan, Lee Robertson, Kenny918, Tinajocelyntheyogi, Tuan Nguyen, Elizabeth Laycak, Joshua Kelly, Ali Haidari, Richard Clements, Maria Giddings, Joyce, Andrew Frigyik, Scott Muri, Mark Hardt, Alex Stern, Anthony Mercury, Hellothere123, James Gordin, Matt Robertson, Peter Manis, Gegi, Rob, Heber Martinez, Aditya Khurjekar, and Jim Finley for supporting us this week.

    Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early.
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    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    58 mins
  • Quasar Quirks & Sky Surveys with Matt O’Dowd
    Jun 9 2026

    Did the Milky Way used to be a quasar? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice explore quasars, the high energy universe, and the movie we’re making of the night’s sky with astrophysicist & host of PBS Space Time, Matt O’Dowd.

    NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
    https://startalkmedia.com/show/quasar-quirks-sky-surveys-with-matt-odowd/

    Thanks to our Patrons Alex Nuche, Christian Payne, Gage Ewing, Ryan Whynot, Temirlan, 2 Lives Left, Chad Keeler, Harli Shae Smith, Brad Smith, Norm Bailey, James Peterson, Ryan Coppens, David Whittenberg, Scott Jarboe, Varun Krishnan, Eric Salinas, Mary Seman, Melissa Davis, Stephen Rockwell, Catrina, Max Wilburn, keith Koenigsberg, LEIII, Vincent Loniello, Simon Toth, DoctorWaterGod, Ruthanne Nava, Martineau Alex, Matthew, Phil, Jaden, Arik Drori, Papersneaker, Steven Peeters, Trey Durango, Julianne, Robbie James, Jason Foreman, Liam, Steven Van Vleet, Marilyn, Zakk Why, Ben Wheeldon, Erik Leazure, KONAL SHARMA, Dušan Živanović, Erik Strandberg, berklie novak-stolz, Kazi Mahin Mahfuz, Tim Van Devender, Andrew Martin, Jason F, Charles Joubert, Youcef Kazwiny, Joy Joslyn, Freeman, Jessica, Pat, Phillip Brooks, Michael Hues, Jacqueline Sinclair, Robert Marsh, Botas, Raza Naqvi (Sid), Jake Colón, Christine Bartholomew & Family, Mr Xoot, Dyonté Houston, Daryl, Rob Weiss, Caleb Holmes, Jeffrey Luce, Kellie Owczarczak, and Brandt Reppond for supporting us this week.

    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.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    55 mins
  • Physics & Philosophy with Sean Carroll
    Jun 5 2026

    Why is the past different from the future? Neil deGrasse Tyson and comedian Chuck Nice explore the universe’s deepest questions like why is there anything, how we know we are in the real present, if there could be a unified theory of physics and more with theoretical physicist Sean Carroll.

    Originally aired August 29, 2023.

    NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
    https://startalkmedia.com/show/physics-philosophy-with-sean-carroll/

    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.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    48 mins
  • Cosmic Queries – LIGO, Light, & Lycanthropy
    Jun 2 2026

    Are all galaxies redshifting away? Neil deGrasse Tyson and comedian Negin Farsad tackle a grab bag of fan questions covering cosmic infrastructure, redshift, werewolves, gravitational waves, and the nature of time itself.

    NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free.

    Thanks to our Patrons Alex Nuche, Christian Payne, Gage Ewing, Ryan Whynot, Temirlan, 2 Lives Left, Chad Keeler, Harli Shae Smith, Brad Smith, Norm Bailey, James Peterson, Ryan Coppens, David Whittenberg, Scott Jarboe, Varun Krishnan, Eric Salinas, Mary Seman, Melissa Davis, Stephen Rockwell, Catrina, Max Wilburn, keith Koenigsberg, LEIII, Vincent Loniello, Simon Toth, DoctorWaterGod, Ruthanne Nava, Martineau Alex, Matthew, Phil, Jaden, Arik Drori, Papersneaker, Steven Peeters, Trey Durango, Julianne, Robbie James, Jason Foreman, Liam, Steven Van Vleet, Marilyn, Zakk Why, Ben Wheeldon, Erik Leazure, KONAL SHARMA, Dušan Živanović, Erik Strandberg, berklie novak-stolz, Kazi Mahin Mahfuz, Tim Van Devender, Andrew Martin, Jason F, Charles Joubert, Youcef Kazwiny, Joy Joslyn, Freeman, Jessica, Pat, Phillip Brooks, Michael Hues, Jacqueline Sinclair, Robert Marsh, Botas, Raza Naqvi (Sid), Jake Colón, Christine Bartholomew & Family, Mr Xoot, Dyonté Houston, Daryl, Rob Weiss, Caleb Holmes, Jeffrey Luce, Kellie Owczarczak, and Brandt Reppond for supporting us this week.

    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.


    Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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    50 mins