Join host Neil deGrasse Tyson as he revisits our fan’s favorite episodes from a season overflowing with science, comedy, moguls, whistleblowers, evolution, invention, and exploration. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

What’s love got to do with it? Find out in our Valentine’s Day edition of Cosmic Queries when co-host Chuck Nice gets down on his knees and pops your questions to Neil deGrasse Tyson and biological anthropologist Dr. Helen Fisher. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

What will it take to keep Earth habitable for humanity? Neil Tyson finds out from EPA Administrator Gina McCarthy. Also featuring environmental blogger Andrew Revkin, science historian Naomi Oreskes, co-host Maeve Higgins and Bill Nye the Science Guy. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Neil deGrasse Tyson compares notes with British physicist and TV host Brian Cox about wormholes, lightsabers, science literacy and more. Also featuring futurist Jason Silva, Dr. Janna Levin, and co-host Maeve Higgins. Plus, Bill Nye extols the value of “Looking Up.” Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

In 2012, Neil deGrasse Tyson interviewed Alan Rickman for a 2-part show about the craft of acting, the education system, and much more. We’ve selected our favorite parts from those episodes for this look back. Chuck Nice co-hosts, with guest Charles Liu. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Neil deGrasse Tyson talks about science fiction, folk music and social justice with rock and roll legend and science geek David Crosby. Chuck Nice co-hosts, Thomas Sugrue provides historical context for the 1960s, and Bill Nye praises “People Power” and “The Pill.” Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Can Mars One succeed? Neil Tyson gets a mission briefing from CEO Bas Lansdorp. In studio, Mike Massimino and Eugene Mirman are skeptical, candidate Ryan MacDonald calls in, and Bill Nye explains why he wants to send real astronauts. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Travel back in time to Season 2 as Neil Tyson and Chris Hardwick take a mind-bending journey into the science of time, from relativity and leap seconds, to neutrinos and time-telling oysters. Now with 12 new minutes of Neil, Bill Nye and Steven Soter in the “Cosmic Crib!” Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Neil Tyson celebrates the cosmic significance of the season, from the solstice to the Star of Bethlehem. Leighann Lord and Chuck Nice co host, with Seth MacFarlane and Brother Guy Consolmagno. Now with 12 minutes of Neil, Bill Nye and Steven Soter in the “Cosmic Crib!” Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.

Neil Tyson explores art, science and creativity with the help of musician and Talking Heads frontman David Byrne. Providing backup are cognitive scientist/pianist Dr. Mónica López-González, composer/programmer Prof. David Cope, and co-host Maeve Higgins, with a guest solo by Bill Nye. Subscribe to SiriusXM Podcasts+ on Apple Podcasts to listen to new episodes ad-free and a whole week early.