StarTalk Radio

While cathedrals give people a place to contemplate Heaven from our place here on Earth, astronauts on the ISS can view Earth from "the heavens" above. This show highlights the many ways the ISS is …

For our holiday show, Neil and his comedian co-hosts discuss the constellations of the winter sky, the star of Bethlehem, and the physics of Santa. Seth MacFarlane and other special guests call in t…

Do sci-fi classics like Star Trek provide a glimpse into future trends and styles? Neil chats with stylist James Aguiar about the science fiction and facts of fashion.

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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.

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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 annivers…

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 plane…

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…

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 fi…

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 a…

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 ba…

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, a…

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 hea…

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 …

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 r…

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 s…

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?

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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 t…