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.

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Thanks to our Patrons George Jeffers, Kate Jarocki, Paloma, Molina, Colby Lapresi, Duane Day, Elena, Gordon Vu, Dale, Boris Jegorovic, Dennis Wish, Kristine Tolman, David Geiger, Shawn Kellner, Tisha Bernal, Marek, Peter Morrow, Edward Badger, Micheal Buckelew, Patrick, Jennifer Bills, and Keni Jane Johnson for supporting us this week.

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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.

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Thanks to our Patrons Jay, Gregory Aronoff, Tom B. Night, Barnsley, Glenn, Hibachi Flamethrower, Crescencio Maximilian joseph Martinez, Micheal Gomez, Matthew Deane, James, Joe Chillemi, Thomas van Cleave, Kelsey Plugge, Jeff Jones, William Hamilton, and Kevin Cosg. for supporting us this week.

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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.

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Thanks to our Patrons Krista Vilate, Kevin Anderson, Nipsey Hussle, lauralee kruta, Richard Lewis, Mike Nichols, Sofie ela, Amila Silva, SALS GAMING, Kathleen chiras, Juni Figueroa, Joey Medici, Godfrey DiGiorgi, Damian Smith, Amanda Lyninger, Matthew Jones, Samuel Jones, Andrea Priest, Daemonhat, Timothy Folks, and Kronas De Se for supporting us this week.

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Could humankind outlive the Earth? Neil deGrasse Tyson and comic co-host Chuck Nice are ready to get spooky. We’ve gathered your fan-submitted Cosmic Queries that explore all things death, from the death of humanity to the death of the universe.

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(Originally Aired December 27, 2019)

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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!

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Thanks to our Patrons Tina Bartenfelder, scott white, Camelia Prodan, Wendy Tilles, Hank Hill, Cody White, Richard Vermillion, Lawrence Wolfe, darina spasova, Pablo Montufar, Alia Druid, Karthik, Jelmer van der Wijk, Anne ROBERTZ, Quentin, Sebastian Mueller, Marta Polo, Chelsea Mcclelland, Ross Hardie, Micheal, and Kevin Danielson for supporting us this week.

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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.

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Thanks to our Patrons Timothy Ecker, Jason Griffith, Evan Lee, Marc, Christopher Young, ahoF3Hb9m, Steven Kraus, Dave Hartman, Diana Todd, Jeffrey Shulak MD, Susan Summers, Kurt A Goebel, Renee Harris, Damien, Adam Akre, Kyle Marston, Gabriel, Bradley Butikofer, Patrick Hill, Cory Alan, and Micheal Gomez for supporting us this week.

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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.

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Thanks to our Patrons Bill Williamson, Amanda, Charles Waggoner, Jason Wiatr, Don Lane, Biren Amin, Jean C Roy, david accetta, STAHLGEIST, joshua george, Danny, daniel oliveira, Matthew Szwajda, Gabe Magallanes, Mike Jespersen, Elias, and Jon O for supporting us this week.

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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.

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Thanks to our Patrons Deb, Linda Gibson, Dominic Hamken, JTsolept, Eric Sharakan, Rick Wallingford, Douglas Waltz, RT, Cristina, Lorraine Wright, Paul Deis, Diane Lapick, Dr. Staci Gruber, James Dorrough, Edward Bornman, GLENNA F MONTGOMERY, and David Martin for supporting us this week.

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