Cosmic Queries – The Biggest Ideas in th...

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 lis ... Show More

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 ... Show More

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 ... Show More

It's easy to forget that long standing scientific theories are in fact, theories and therefore are subject to revision and change as new information comes to light or we develop new ways to understand our Universe. The current accepted theory on the creation of our Universe is, o ... Show More

Sean Carroll is a theoretical physicist at Caltech, specializing in quantum mechanics, gravity, and cosmology. He is the author of several popular books: one on the arrow of time called From Eternity to Here, one on the Higgs boson called The Particle at the End of the Universe, ... Show More

This episode is brought to you with the support of NordVPN. To check out our exclusive offer, visit www.nordvpn.com/spacenuts - you can thank us later... Space Nuts Episode: Space Junk, Gravity Waves, and Solar Eclipses Join Andrew Dunkley and Professor Fred Watson in this engagi ... Show More

Neil deGrasse Tyson (@neiltyson) is the Frederick P. Rose Director of the Hayden Planetarium, host of StarTalk Radio, and author. He is kind enough to rejoin us and discuss his latest book, Starry Messenger: Cosmic Perspectives on Civilization. What We Discuss with Neil deGrasse ... Show More

Sam Harris speaks with Sean Carroll about our understanding of reality. They discuss consciousness, quantum mechanics, the arrow of time, free will, facts and values, and other topics. Sean Carroll is a theoretical physicist at CalTech. He received his PhD from Harvard University ... Show More

<p>Quantum mechanics and general relativity are two of the most successful theories of science ever, but they don&apos;t necessarily fit together. Learn why physicists are trying so hard to discover a quantum theory of gravity, and why it&apos;s been such a challenge.<br/><br/>Fo ... Show More

<p>Last time, we introduced the biggest open problem in theoretical physics - the problem of combining gravity with quantum mechanics. In this first part of a three-part series, we introduce the leading candidate for how to do that: String Theory.<br/><br/>For ad-free episodes an ... Show More

Have you ever wondered if there are parallel universes? Earlier this year, a NASA study suggested there might be another universe where time goes backwards. Could that be a universe made of antimatter? Why did matter win over antimatter after the Big Bang? If there is an antimatt ... Show More