From intelligent alien life to our stellar origins, how to think outside of the three-dimensional box to what baffles Neil deGrasse Tyson. He is one of the most celebrated science communicators and popularizers alive today. Tyson is the Frederick P. Rose Director of the Hayden Planetarium and hosts NOVA ScienceNOW on PBS. He has also written several popular texts about astronomy, including his most recent book, Space Chronicles: Facing the Ultimate Frontier.