Neil deGrasse Tyson answers fan-submitted Cosmic Queries about manned space exploration with NASA Twin Study principal investigator biologist and geneticist Chris Mason, PhD, and comic co-host Matt Kirshen.
We explore the mission to Mars and beyond with Bill Nye the Science Guy, co-host Eugene Mirman, astrobiologist David Grinspoon, former NASA Deputy Administrator Dava Newman, and comedians Jo Firestone and Hari Kondabolu, live from Awesome Con.
