Could Alien Technology Really Exist? | The Universe | Marathon
2:12:25
Could Alien Technology Really Exist? | The Universe | Marathon
119.9K views4 weeks ago
YouTubeHISTORY
Do Aliens Exist? We Asked a NASA Scientist
1:33
Do Aliens Exist? We Asked a NASA Scientist
764.4K viewsSep 8, 2021
YouTubeNASA
Are Aliens Real? | Unveiled XL Documentary
35:57
Are Aliens Real? | Unveiled XL Documentary
9.6K viewsNov 15, 2023
YouTubeUnveiled
Ever Wonder: Do Aliens Exist?
8:16
Ever Wonder: Do Aliens Exist?
10.9K views8 months ago
YouTubeUniversity of Rochester
Extraterrestrial Mysteries on the Ocean Floor | Ancient Aliens
33:52
Extraterrestrial Mysteries on the Ocean Floor | Ancient Aliens
981.7K views2 months 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
Do aliens exist?
0:53
Do aliens exist?
14.6K viewsJan 3, 2024
YouTubeCNBC International
24:34
If aliens exist, they probably look nothing like we imagined
4 weeks ago
MSNCelestium
2:05:33
Uncovering the Truth: Giants, Alien Relics & The Human Experiment *Marathon* | Ancient Aliens
600K views11 months ago
YouTubeHISTORY
40:21
The Most Shocking Alien Encounters Ever | Ancient Aliens
1.2M views2 months ago
YouTubeHISTORY
41:42
10 Hidden Alien Bases Across the Globe (S3, E20) | Ancient Aliens | Full Episode
115.9K views1 month ago
YouTubeHISTORY
3:58
Oxford astrophysicist explains why life beyond Earth could actually exist đź‘˝ #oxforduniversity
122.8K views5 months ago
YouTubeUniversity of Oxford
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
1M views9 months ago
YouTubeHISTORY
18:07
My Search for Proof Aliens Exist | Avi Loeb | TED
1.6M viewsJul 16, 2024
YouTubeTED
20:09
Cosmic Alien Mysteries | Space's Deepest Secrets | Science Channel
16.5K views9 months ago
YouTubeScience Channel
8:14
UFO Files Explained: What’s Really Inside? ft. Pragati | Jist
78K views3 months ago
YouTubeJist
58:54
Can The Drake Equation Prove Alien Life Really Does Exists? | FULL DOCUMENTARY
8.3K views2 months ago
YouTubeNaked Science
0:28
Do aliens exist? What science really says today
7 months ago
MSNInsane Curiosity
17:40
We wondered if aliens exist — then we made a plan to meet them
2 months ago
MSNCelestium
23:06
Alien Hybrids & the Secret Programs Behind Them | Ancient Aliens | History
189K views10 months ago
YouTubeHISTORY
41:22
Do aliens exist? | Museum scientists answer your questions
1.6K viewsApr 3, 2025
YouTubeNatural History Museum
1:03:40
Alien Conspiracy: They Are Here
2.2K views3 months ago
YouTubeExtreme Mysteries
32:09
Do Aliens Exist? Professor Brian Cox Answers Your Questions | Honesty Box
3.1M viewsDec 11, 2024
YouTubeLADbible Stories
5:08
How Many Aliens Are Out There? This Famous Equation Offers a Clue | What the Physics?! | NOVA | PBS
10.3K viewsDec 5, 2024
YouTubeNOVA PBS Official
15:53
What Actual Aliens Might Look Like
10.8M viewsFeb 4, 2025
YouTubeKurzgesagt – In a Nutshell
1:16:35
How Close Are We To Finding Alien Life?
559.3K viewsMar 13, 2024
YouTubeWhat If
2:07
Secret 'immovable' UFO is 'hiding in plain sight' in purpose-built structure
95.5K views5 months ago
YouTubeThe Sun
23:35
Space Secrets and NASA’s Role in the Alien Agenda | Ancient Aliens | History
273.9K views11 months ago
YouTubeHISTORY
1:14:10
Does alien life exist? - with Nikku Madhusudhan
45.4K views8 months ago
YouTubeThe Royal Institution
7:43
What If We Prove Aliens Exist? | Unveiled
153.8K viewsFeb 15, 2020
YouTubeUnveiled
See more
Static thumbnail place holder