05:01

Neil DeGrasse Tyson on UFOs - What evidence do I need to believe?

03:18

Neil DeGrasse Tyson - Carbon-based life is common in the Universe

10:57

Niel deGrasse Tyson and Richard Dawkins: Our differences on Religion

06:55

Neil deGrasse Tyson on Planet Krypton

03:06

Neil DeGrasse Tyson - What I would do if I were President?

05:37

Neil deGrasse Tyson on Dark Matter and Dark Energy

03:47

Neil deGrasse Tyson on Prayer

05:18

Neil deGrasse Tyson - The odds of Life on the Universe is high

03:12

Neil deGrasse Tyson - The Importance of Seat Belt

05:50

Neil deGrasse Tyson on Private Enterprise and NASA

02:16

Neil deGrasse Tyson on String Theory

04:08

Neil deGrasse Tyson on Interstellar Travel

08:11

Neil deGrasse Tyson serving Jury Duty

06:45

Neil deGrasse Tyson on Blood Moon

08:16

Neil deGrasse Tyson on Dogma

02:40

Neil deGrasse Tyson on Supermoon

02:45

Neil deGrasse Tyson - responds to GMO Food Critics

06:24

Neil deGrasse Tyson on Pluto (Get Over It)

08:36

Neil deGrasse Tyson on Science Literacy

04:56

Neil deGrasse Tyson - Bible and Science cannot be reconciled

00:37

Female Dog feeds milk to a young Cat

05:50

Neil deGrasse Tyson - The Expanding Universe

02:13

Neil deGrasse Tyson on Mars One

04:19

Neil deGrasse Tyson on Comet ISON

06:30

Neil deGrasse Tyson - Why I am Agnostic

01:16:33

Neil deGrasse Tyson - Space and Sea Exploration

03:53

Neil deGrasse Tyson on Bermuda Triangle

01:34

Neil deGrasse Tyson answers a religious troll

09:23

Neil deGrasse Tyson talks his career as a Graduate Student

03:26

Neil deGrasse Tyson - Bill Gates Wealth

08:04

Neil deGrasse Tyson - on the movie Gravity

03:14

Neil DeGrasse Tyson - On God of The Gaps

04:45

Neil deGrasse Tyson on God

02:08

Atheist Experience: About Teaching Critical Thinking on Childern

00:28

God Appeared to Matt Dillahaunty

14:57

Atheist Experience - A Good Christian caller

05:40

Atheist Experience: Near-Death Experiences

02:33

Atheist Experience: Prank Caller makes a good argument

01:55

Atheist Experience: Matt from Oslo Apologizes but...