Are we thinking about the fundamentals of the universe wrong? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly answer grab bag questions about aliens, gravitons, and the big unknowns with astrophysicist Charles Liu.
Neil deGrasse Tyson’s exclusive, one-on-one conversation with Edward Snowden – via robot – concludes with a deeper dive into metadata, personal privacy and covert communications, before exploring pulsars and cosmic background radiation.