Up Next
Back to Show
Amanpour & Co.
Neil deGrasse Tyson on Aliens and the End of the Universe
Why is the universe the way it is? How did life begin? And how might it end? Astrophysicist Neil DeGrasse Tyson has spent his life in search of the answers. 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.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.

Unlock with PBS Passport
55:47
Fiona Hill; Sepideh Farsi; Gloria Allred, Lejla Dauti and April Hernandez-Castillo; Charlie Baker

Unlock with PBS Passport
55:45
Steven Levitsky; Dr. Kari Nadeau; Wes Anderson; Rep. Blake Moore

Unlock with PBS Passport
55:47
Omer Shem Tov; Jameel Jaffer; Leah Litman

Unlock with PBS Passport
55:47
John Kerry; Laura Bates; David Liu

Unlock with PBS Passport
55:47
Jeremy Diamond; Ehud Olmert; Wally Adeyemo; David Shimer; Humphrey Ker; Arthur Okonkwo

Unlock with PBS Passport
55:34
Aviva Siegel; Sir Geoffrey Nice; Joni Levin & Keith Clarke; Hari w/John Vaillant

Unlock with PBS Passport
55:37
Alex Marquardt; Ronald Lamola; Tom Fletcher; Kate Kelly

Unlock with PBS Passport
55:46
Bridget Brink; Wilfred Frost; Mitch Daniels

Unlock with PBS Passport
55:46
Jeremy Diamond; Rim Turkmani; Bonny Lin; Ian Bremmer

Unlock with PBS Passport
55:36
Ivo Daalder; Ronen Bergman; Vladimir Bortun; Ron Chernow

Unlock with PBS Passport
55:47
Akinwumi Adesina; Daniel Kehlmann; Karen Attiah

Unlock with PBS Passport
55:38
Dmytro Kuleba; Wendy Sherman; Dr. Jerry Avorn