Results come from Exumo's own index. Data from YouTube; Exumo is not affiliated with YouTube.

1. 11:41

   First Detection of Life

   PBS Space Time · Aug 24, 2017 · 1.2M views

2. 14:09

   Extraterrestrial Superstorms

   PBS Space Time · Aug 16, 2017 · 548K views

3. 12:50

   The One-Electron Universe | Space Time

   PBS Space Time · Aug 10, 2017 · 1.9M views

4. 12:29

   Dark Flow

   PBS Space Time · Aug 2, 2017 · 1.3M views

5. 14:25

   The Secrets of Feynman Diagrams

   PBS Space Time · Jul 27, 2017 · 838.9K views

6. 18:06

   The Real Star Wars

   PBS Space Time · Jul 20, 2017 · 346.4K views

7. 15:21

   Solving the Impossible in Quantum Field Theory

   PBS Space Time · Jul 12, 2017 · 1M views

8. 15:49

   Feynman's Infinite Quantum Paths

   PBS Space Time · Jul 7, 2017 · 1.6M views

9. 15:22

   The First Quantum Field Theory

   PBS Space Time · Jun 28, 2017 · 1.6M views

10. 16:12

    Anti-Matter and Quantum Relativity

    PBS Space Time · Jun 21, 2017 · 1.7M views

11. 14:00

    Supervoids vs Colliding Universes!

    PBS Space Time · Jun 7, 2017 · 967.7K views

12. 13:28

    The Fate of the First Stars

    PBS Space Time · May 31, 2017 · 1M views

13. 14:59

    Martian Evolution

    PBS Space Time · May 18, 2017 · 817.3K views

14. 11:58

    The Great American Eclipse

    PBS Space Time · May 10, 2017 · 319.1K views

15. 16:28

    Are We Living in an Ancestor Simulation? ft. Neil deGrasse Tyson | Space Time

    PBS Space Time · May 4, 2017 · 2.1M views

16. 11:44

    Are You a Boltzmann Brain?

    PBS Space Time · Apr 27, 2017 · 1.5M views

17. 12:19

    The Oh My God Particle

    PBS Space Time · Apr 19, 2017 · 1.2M views

18. 1:42

    Here's Why I Love PBS

    PBS Space Time · Apr 10, 2017 · 88.4K views

19. 13:35

    Telescopes on the Moon

    PBS Space Time · Apr 5, 2017 · 440.3K views

20. 15:29

    How Time Becomes Space Inside a Black Hole | Space Time

    PBS Space Time · Mar 30, 2017 · 2.4M views