The Evidence For Alien Theories *MARATHON* | Ancient Aliens
2:12:19
The Evidence For Alien Theories *MARATHON* | Ancient Aliens
112.3K views1 month ago
YouTubeHISTORY
Why haven’t we found aliens? A physicist shares the most popular theories. | Brian Cox
12:47
Why haven’t we found aliens? A physicist shares the most popular theories. | Brian Cox
3M viewsSep 29, 2023
YouTubeBig Think
Could Alien Technology Really Exist? | The Universe | Marathon
2:12:25
Could Alien Technology Really Exist? | The Universe | Marathon
139.1K views2 months ago
YouTubeHISTORY
Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
2:12:17
Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
529.1K viewsJun 6, 2025
YouTubeHISTORY
The ancient alien theory sounded possible - until the missing evidence became impossible to ignore
31:07
The ancient alien theory sounded possible - until the missing evidence became impossible to ignore
1 month ago
MSNIsaac Arthur
The Extraterrestrial Genetic Theory | Ancient Aliens
42:26
The Extraterrestrial Genetic Theory | Ancient Aliens
87.4K views2 months ago
YouTubeHISTORY
The most unsettling alien theory
30:26
The most unsettling alien theory
1 month ago
MSNIsaac Arthur
20:20
The Truth Behind These Unexplained Phenomena | Ancient Aliens
204K views3 months ago
YouTubeHISTORY
25:21
Are We Part Alien? | Ancient Aliens
75.7K views5 months ago
YouTubeHISTORY
24:09
The Truth About Alien Disclosure | Ancient Aliens
390.6K views4 months ago
YouTubeHISTORY
40:56
Big Alien Theory
110.8K views6 months ago
YouTubeIsaac Arthur
8:28
Are Humans Actually Aliens? The Shocking Theory Explained (S1) | Ancient Aliens
100K views4 months ago
YouTubeHISTORY
30:26
The most unsettling alien theory
1 month ago
MSNIsaac Arthur
41:19
What NASA Knows About Mars | Ancient Aliens
648.9K views6 months ago
YouTubeHISTORY
30:56
Egypt’s Greatest Secrets and Alien Theories | Ancient Aliens
341.8K views4 months ago
YouTubeHISTORY
29:52
Did Aliens Predict Humanity’s End? | Ancient Aliens | History
451.3K views10 months ago
YouTubeHISTORY
35:13
The Alien Origins of Human Civilization | Ancient Aliens
248.1K views7 months ago
YouTubeHISTORY
28:46
Close Encounters with Terrifying Aliens | UFO Files
199.4K views5 months ago
YouTubeHISTORY
30:49
Alien Theory: Comet 3I/ATLAS Enters Solar System With Unusual Tail Shift | The Breakfast Club
9.2K views10 months ago
YouTubeCNN-News18
1:04:06
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1.3M views9 months ago
YouTubeHISTORY
See more
Static thumbnail place holder