As an astrophysicist, Neil deGrasse Tyson contemplates the depths of time and space, so it's only natural we asked him about the meaning of life.
Produced by Darren Weaver, Rob Ludacer and Kamelia Angelova. Additional production by Kevin Reilly.
Follow TI: On Facebook
StarTalk Radio is a podcast and radio program hosted by astrophysicist Neil deGrasse Tyson, where comic co-hosts, guest celebrities, and scientists discuss astronomy, physics, and everything else about life in the universe. Follow StarTalk Radio on Twitter, and watch StarTalk Radio "Behind the Scenes" on YouTube.