Filters
Upload date
Duration
Sort By

Videos
Watch :3 10:42
What Do Alien Civilizations Look Like? The Kardashev Scale
20M views • 4 years ago Kurzgesagt – In a Nutshell
Watch :3 18:15
Comparing Earth technology with alien civilizations | The Kardashev Scale
1.9M views • 3 years ago The Why Files
Watch :3 01:06:10
Alien Civilizations: How Advanced Could They Be?
613K views • 11 months ago What If
Watch :3 42:22
Ancient Aliens: Civilization Buried Under Antarctica's Ice?! (S14, E1) | Full Episode
1.3M views • 3 months ago HISTORY
Watch :3 33:12
Why We May Be Surrounded by Older Alien Civilizations
2.8M views • 4 years ago Cool Worlds
Watch :3 10:29
Are There Lost Alien Civilizations in Our Past?
13M views • 2 years ago Kurzgesagt – In a Nutshell
Watch :3 05:41
Carl Sagan On Alien Civilizations
1.4M views • 10 years ago Neil deGrasse Tyson Videos
Watch :3 01:08:48
New Evidence Suggests Aliens Live In The Earth's Core
267K views • 4 months ago Absolute Sci-Fi
Watch :3 00:59
Did Aliens👽 built the Pyramids?😱 #shorts #youtubeshorts #pyramid
7 views • 2 days ago Daily Facts
Watch :3 16:19
Ancient Aliens: Mankind's Shocking Extraterrestrial Origins
1M views • 1 year ago HISTORY
Watch :3 13:17
Alien civilizations from level 1 to level 7. We are only at level 0.72
4.2M views • 2 years ago Eye of Truth
Watch :3 01:07:50
68 Minutes of Alien Civilization Theories To Fall Asleep To
34K views • 3 months ago Technoplus
Watch :3 03:47:10
David Kipping: Alien Civilizations and Habitable Worlds | Lex Fridman Podcast #355
11M views • 1 year ago Lex Fridman
Watch :3 13:59
There Are Thousands of Alien Empires in The Milky Way
6.5M views • 7 months ago Kurzgesagt – In a Nutshell
Watch :3 24:20
10 Unpleasant Alien Civilization Scenarios
1.9M views • 2 years ago John Michael Godier
Watch :3 11:04
NASA REVEALS: Higher Alien Civilization Are Watching Us!
10K views • 2 months ago StarXtreme
Watch :3 00:36
Mind-Blowing Truth: Why Advanced Alien Civilizations Are Hiding from Us
70K views • 1 year ago LaMotivation
Watch :3 18:31
Our universe is full of superintelligent alien civilizations | Jeffrey Shainline and Lex Fridman
1.1M views • 3 years ago Lex Clips
Watch :3 42:21
Ancient Aliens: The Other Earth (S10, E6) | Full Episode
1M views • 6 months ago HISTORY
Watch :3 10:12
How Many Alien Civilizations Exist in Our Galaxy?
664K views • 1 year ago Science Time

Next Page