Cosmic Queries – The Big Stretch

What’s the deal with the strong nuclear force? Neil deGrasse Tyson answers the burning questions Chuck Nice, Gary O’Reilly, and the StarTalk Team have been saving all year about gravity as a force, cosmic rays, free will, emergence, and how physicists decide which equations to ap ...  Show more

What’s a supervolcano? Neil deGrasse Tyson and comic co-host Matt Kirshen discover all types of volcanoes in the solar system with cosmochemist and author of Fire and Ice: The Volcanoes of the Solar System, Natalie Starkey. Is there such a thing as an ice volcano?Originally Aired ...  Show more

How big are black holes? Is time elastic? What is spacetime foam? Why is there a place called “elsewhere?” Enjoy this dazzling two-parter that starts with the absolute basics with NASA’s Goddard Theoretical Astrophysicist and Black Hole Theory Cosmologist  Dr. Ronald Gamble, J ...

Where do we live within the galaxy? What shapes the local bubble? How long will we be inside it? I discuss these questions and more in today's Ask a Spaceman!

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Is the universe infinite? What about the cosmological horizons, the limits to what we can see? Will we ever know for sure what's beyond them? I discuss these questions and more in today's Ask a Spaceman! Support the show: http://www.patreon.com/pmsutter All episodes: http://www.A ...  Show more

When Wanda Diáz-Merced lost her sight as a college student, she thought her dreams of becoming an astronomer were over — until she learned to listen to space instead. Wanda is one of several pioneering scientists listening to space. For this episode, we also spoke to Robert Wilso ...  Show more