In the conclusion of Bill's conversation with Neil deGrasse Tyson, the astrophysicist talks about why science literacy is critical to the future of our democracy, economy and standing in the world.

In part two of their conversation, Bill talks with the astrophysicist about the nature of our mysterious universe and whether faith and science can be reconciled.

The series that made Carl Sagan a household name is back. This time starring the acclaimed astrophysicist Neil deGrasse Tyson.