How can humanity escape the fate of the dinosaurs? Find out when Neil deGrasse Tyson interviews Apollo 9 astronaut Rusty Schweickart, co-founder of the B612 foundation, devoted to protecting Earth from asteroids. With co-host Eugene Mirman.

Alien megastructures? Gravitational waves? Time travel via wormhole? Crack open the latest cosmic conundrums when astrophysicist Neil deGrasse Tyson answers fan submitted questions, thrown at him by our co-host Eugene Mirman.

You asked the questions, you chose the episodes: Join us for your favorite Cosmic Queries of Season 6, answered by your own personal astrophysicist, Neil deGrasse Tyson, guest host Bill Nye and co-hosts Chuck Nice and Leighann Lord.

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.

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.”

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.

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!”

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!”

Ready to have your perspectives expanded, cosmically and otherwise? Neil deGrasse Tyson welcomes actress and activist Susan Sarandon, exoplanetary scientist Dr. Rebecca Oppenheimer, astrophysicist Dr. Emily Rice, Bill Nye and co-host Maeve Higgins.

Join Neil deGrasse Tyson and Chuck Nice as they tour the solar system with Mars Exploration Rover principal investigator Steve Squyres and planetary scientist Heidi Hammel. Extended with 10 minutes of new Cosmic Queries with Bill Nye!
