Alien Sightings with David Spergel

How small is a molecule? What is the color of light? How can quantum physics spoil food? Neil deGrasse Tyson and comic co-host Chuck Nice visualize a molecule’s actual size, break down the different colors of light, and the physics of what’s going on in your fridge. NOTE: StarTal ... Show More

What is infinity? Neil deGrasse Tyson and comedian Negin Farsad explore whether we are in a finite universe, the issues with infinity, string theory, and more with theoretical physicist Stephon Alexander.Originally aired April 11, 2023. NOTE: StarTalk+ Patrons can listen to this ... Show More

Is there life in the Venusian Clouds? Neil deGrasse Tyson and comic co-host Chuck Nice are joined by planetary astrobiologist David Grinspoon to discuss NASA’s return to Venus, our space future, and whether we’ll find life in our solar system. NOTE: StarTalk+ Patrons can listen t ... Show More

<p>Hottest astrophysicist of all-time Neil deGrasse Tyson joins the boys to predict what 2075 will look like, debates Logan about God &amp; the moon landing, what Prime would taste like on Mars ☄️, if he believes in Bigfoot &amp; the flat earth, 7 words he’s invented, if 3I/ATLAS ... Show More

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

Since 2008, Big Think has been sharing big ideas from creative and curious minds. Since 2015, the Think Again podcast has been taking us out of our comfort zone, surprising our guests and Jason Gots, your host, with unexpected conversation starters from Big Think’s interview arch ... Show More

<p>In August we performed a live taping of the show from a theater perched on the edge of Manhattan, overlooking the Hudson River, overshadowed by the wide open night sky. Three stories about voids. One about a fish that screams into the night – and the mystery of its counterpart ... Show More

<p dir="ltr">We take you to Planetary Society headquarters, where Neil deGrasse Tyson, astrophysicist and host of StarTalk, interviews Planetary Society CEO Bill Nye about the organization's 45-year history of empowering the world's citizens to advance space science and explorati ... Show More

Astronomy Cast Ep. 770: The Ethics of Mars Exploration By Fraser Cain & Dr. Pamela Gay Streamed live on Nov 3, 2025. Hosted by: Fraser Cain and Dr. Pamela L. Gay. It is arguable that humanity now has the technological ability to live on Mars. It would be done at enormous expense ... Show More

The Gaia spacecraft stopped collecting data this January after about 11 years and more than three trillion observations. Senior space and physics editor Lee Billings joins host Rachel Feltman to review Gaia’s Milky Way–mapping mission and the tidal streams, black holes and astero ... Show More

We get put in our place by an old champion, who reminds us why they are the king. Also this episode:Chris' post-conference thoughts on the UKMatt's Great American Burger GiveawayNon-Tribal Joe Rogan meets Jimmy DoreLex Fridman meets Ivanka TrumpThe UK election and the heterodox r ... Show More

<p>This episode is a solo Q&amp;A session where I answer a bunch of questions. We covered a ton of ground, from personal health protocols to professional frameworks and creative projects.&nbsp;</p><p><strong>This episode is brought to you by:</strong></p><p><a href="https://www.e ... Show More