Why is the universe the way it is? How did life begin? And how might it end? Our next guest has spent his life in search of the answers. Neil deGrasse Tyson is an astrophysicist, author and popular science communicator. His new book, “Cosmic Queries,” was co-authored with physicist James Trefil. Tyson joins our Walter Isaacson to discuss the book and what drives his thirst to explore the really big questions of the universe.

Originally aired on March 23, 2021.