For his last episode as host, Mat Kaplan welcomes many of his Planetary Society colleagues for a review of a spectacular year of space exploration.
Sep 9
Star Trek at 60: What do we value the most? (Part 1)
Star Trek turned 60 on Sept. 8, 2026, and to celebrate, we're kicking off a special two-part series exploring the franchise's deep and lasting connection to real-world space exploration. In Part 1, Robert Picardo, the Emergency Medical Hologram from Star Trek: Voyager, now starri ... Show More
59m 56s
Sep 4
Space Policy Edition: The Long Space Age with Alex MacDonald
We tend to think of private space exploration as a recent phenomenon. But as Alex MacDonald, former Chief Economist at NASA, argues in his book "The Long Space Age," privately funded space exploration has deep roots in American history, stretching back more than two centuries. In ... Show More
1h 7m
Jan 2022
Cosmic Queries – A Stellar New Year
<p>What will first contact with aliens be like? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice say “Happy New Year!” by answering a grab bag of fan questions about aliens, string theory, moon landing skeptics, and more!</p><p>NOTE: StarTalk+ Patrons can watch o ... Show More
38m 49s
Aug 2022
Season 5, Episode 32: Finale: Thanks for All the Gravity Assists
On the Gravity Assist podcast we have interviewed dozens of scientists, engineers, and others dedicated to the mission of NASA space exploration. After five years, the show is coming to a close. Here are some final thoughts and episode highlights from the podcast team.
24m 8s