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.
Does time always move at the same rate? Neil deGrasse Tyson and Chuck Nice break down things you thought you knew about time dilation, gravity assists, the north star, and your zodiac sign.
![This striking image was captured using a fish-eye lens, giving it the distinctive look of a circular window, peering into a different world. Here the landscape at the [/public/teles-instr/lasilla/ La Silla] observatory in Chile can be seen wrapped around the edge, with the constellations of the Zodiac splashed across the early morning sky.](https://startalkmedia.com/wp-content/uploads/2026/07/Zodiac_in_the_morning_150122-23_ntt_zodiac_morning_cc-eq-ext-820x570.jpg)
Could spacetime curve in the opposite direction and produce a repulsive field instead of gravity? Neil deGrasse Tyson and comic co-host Chuck Nice tackle fan questions about photons, heat death, gravitational waves, neutron stars and more with astrophysicist Michelle Thaller.
How do you get entangled particles? Neil deGrasse Tyson and comic co-host Chuck Nice unpack the experimental side of entanglement, superposition, and the quantum underpinnings of our universe with experimental physicist, Sean Hodgman.
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.
![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)