Science, pop culture, and comedy collide on StarTalk! Astrophysicist and Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, celebrity guests, and scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! Click here for more information.
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.
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.
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.
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.
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.
What would happen to Earth if Jupiter stopped rotating? Neil deGrasse Tyson and Chuck Nice answer a grab bag of fan questions about the challenges with space telescopes, the nature of AI, and whether aliens are funny.
Can we influence the strong nuclear force? Neil deGrasse Tyson and Paul Mecurio answer grab bag questions about sci-fi laser guns, the Roche Limit, how we interact with the fundamental forces, and more!
![This image of the Orion Nebula is taken in an exotic palette that maps near infrared data to the red image channel, [S II] emission to the green image channel, and [O III] emission to the blue image channel.](https://startalkmedia.com/wp-content/uploads/2026/05/M42_infrared_S-II_O-III-820x570.jpg)
How bright is the Earth from the moon? Neil deGrasse Tyson and Chuck Nice have fun with the sun’s reflectivity, discuss light pollution, and explore the electromagnetic light spectrum: how does sunscreen work?
What are the true limits of life, will we even recognize it when we see it? Neil deGrasse Tyson and comic co-host Chuck Nice explore the beginnings of life on Earth and what they might tell us about life everywhere else with astrobiologist and bacteriologist, Betül Kaçar.
What would you actually do if an alien showed up and asked to be taken to your leader? Neil deGrasse Tyson, Paul Mecurio, and astrophysicist Charles Liu explore fan questions about physics of near-light-speed travel, Dark Forest Theory from The Three Body Problem, and whether the universe itself might be conscious.
