StarTalk Radio

Jon Stewart is the first guest of the new season. He and Neil discuss the Daily Show book, Earth: A Visitor's Guide to the Human Race. Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus . Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for informa...

Our season finale features the incomparable comedian Joan Rivers. In this episode, she provides color commentary for a Red Carpet parade of previous show topics, including space tourism, the anniversary of Apollo 11, and the search for alien life (both in space and in Hollywood!). NOTE: All-Access subscribers can listen to this entire episode commercial-free here: https://www.startalkradio.net/all...

When the economy takes a downturn, should we still go up into space? NASA missions aren’t cheap—sending astronauts into low Earth orbit or to the Moon, sending robotic spacecraft to explore the planets, and launching telescopes into space can cost millions or even billions of dollars. Lou Friedman, director of the Planetary Society, argues that even when the dollar is dear, the quest to explore ou...

Geometry, physics and the other sciences describe the world we live in, and artists often play with these properties in their own imaginative investigations. From the drawings of Leonardo Da Vinci to high tech computer graphics, Neil and Lynne paint a picture of how science has inspired art through the ages. NOTE: All-Access subscribers can listen to this entire episode commercial-free here: https...

In our quest to understand the universe, how can we be sure our conclusions are correct? Human beings have evolved to find meaningful patterns in nature, but sometimes the patterns we see are just figments of our imagination—or perhaps the result of wishful thinking. Join Neil and guest co-host Leighann Lord as they investigate the weird and wacky world of pseudoscience. NOTE: All-Access subscribe...

That’s one small step for man, one giant leap for mankind. Neil Armstrong spoke these words after placing his foot down onto lunar soil, and throughout the course of the Apollo program eleven other astronauts also walked on the Moon. In this show, Neil Armstrong, Buzz Aldrin, and many others share their memories of Apollo, and say what they think should be NASA’s next step in space. NOTE: All-Acce...

Brilliant scientific discoveries and cutting edge technology have transformed our world, yet many people are turned off by science. Where has the excitement for science gone, and how can we get it back? Stephen Colbert developed an interest in science at a young age, and now he shares that fascination by inviting scientists to appear on his show The Colbert Report . NOTE: All-Access subscribers ca...

Is time travel possible? Or has it already happened? Get ready to spend some time pondering time, because in this episode of StarTalk, host Neil deGrasse Tyson is joined by co-host J. Richard Gott, author of Time Travel in Einstein's Universe and an expert in exotic astrophysics. Join us as we explore time travel, black holes, and worm holes, and analyze some Hollywood time travel films in terms o...

Have you ever wondered why the sky is blue? We have too, and so we’re giving you the long-awaited answer, along with more exploration into the mysterious celestial sphere up above. It’s above our heads every day, conveying its lightest and darkest moments, giving hints about the universe around us, and allowing us to learn by looking up…but are we really looking? In this episode of StarTalk, host...

Space is now big business. Technology originally developed for the space program sometimes ends up in products for use on Earth, often in surprising ways. The 40,000 certified “Space Products” range from mattresses to medical devices, and have turned space into a multi-billion-dollar industry. Inspired by our excursions into the Final Frontier, entrepreneurs and inventors are turning stardust into...

The Star Trek TV and movie series imagine a bright future for humans in space, one in which we explore alien worlds with the aid of advanced technology. Because the writers tried to include as much realistic science as possible within the fictional framework, the stories have been an inspiration for students, scientists, inventors; and anyone interested in pondering our destiny on Earth and beyond...

Scientists have been searching for aliens in our solar system and beyond, but have not yet found evidence that life exists beyond Earth. SETI, the Search for Extraterrestrial Intelligence, has been scanning the stars for alien radio beacons for 50 years. Radio and TV broadcasts have been leaking from Earth’s atmosphere for over a century, and these traveling time capsules could eventually reach a...

Richard Branson has formed Virgin Galactic and is now taking reservations aboard the maiden voyage of SpaceShipOne. Would you spend the estimated $200,000 for a 45-minute trip into space? Neil and Lynne also discuss the mechanics of sex in space. NOTE: All-Access subscribers can listen to this entire episode commercial-free here: https://www.startalkradio.net/all-access/would-you-be-a-space-touris...

This year marks the 400th anniversary of Galileo’s use of the first telescope. On this week’s show, we reflect on how telescopes have shifted our perspective on how small we are in size, space, and time. We also discuss how they help astronomers discover new and interesting aspects of the universe, from Earth-like planets to supernova, from black holes to the Big Bang. Subscribe to SiriusXM Podcas...