UFO FILES: Scientist believes FOUR types of alien life have been found
8:59
UFO FILES: Scientist believes FOUR types of alien life have been found
2.4M views3 months ago
YouTubeFox News
Is Alien Life Hiding in Our Solar System? | Life In Outer Space | FULL DOCUMENTARY
52:11
Is Alien Life Hiding in Our Solar System? | Life In Outer Space | FULL DOCUMENTARY
462.4K viewsJun 17, 2025
YouTubeNaked Science
My Search for Proof Aliens Exist | Avi Loeb | TED
18:07
My Search for Proof Aliens Exist | Avi Loeb | TED
1.6M viewsJul 16, 2024
YouTubeTED
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
1M views10 months ago
YouTubeHISTORY
Do Aliens Exist? We Asked a NASA Scientist: Episode 5 - NASA
Do Aliens Exist? We Asked a NASA Scientist: Episode 5 - NASA
Nov 17, 2023
nasa.gov
Have we really just found the strongest evidence for alien life yet?
16:15
Have we really just found the strongest evidence for alien life yet?
37.5K viewsApr 17, 2025
YouTubeNew Scientist
How to prove alien life
1:50
How to prove alien life
5.2K views6 months ago
YouTubeNew Scientist
1:09
NASA: Proof of alien life closer
785.6K viewsApr 10, 2015
YouTubeCNN
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
35:22
Scientists think Alien life could be found on our doorstep! But Where?
64.8K viewsApr 20, 2024
YouTubeV101 SPACE
10:00
Aliens are already on Earth, new Harvard study speculates | LiveNOW from FOX
505.4K viewsJun 14, 2024
YouTubeLiveNOW from FOX
5:12
Ancient Aliens: New Proof of Alien Life Found in Ice Cave (Season 18) | History
1M viewsAug 25, 2022
YouTubeHISTORY
21:56
What If Alien Life Were Silicon-Based?
3.7M viewsJan 26, 2023
YouTubePBS Space Time
35:01
Prophecies from Beyond | Ancient Aliens
484.4K views1 month ago
YouTubeHISTORY
35:47
Craziest Alien UFO Crashes | Ancient Aliens
353.7K views2 months ago
YouTubeHISTORY
17:57
Four alien species discovered? New UFO claims are raising eyebrows | ChicagoLIVE
376.6K views3 months ago
YouTubeFOX 32 Chicago
13:20
10 Alien Species Believed to Be Visiting Earth
126.4K viewsJun 25, 2025
YouTubeWatchMojo.com
5:40
Find in video from 00:11The Universe and Alien Life
What If Alien Life Was Silicon-Based?
1.3M viewsOct 21, 2019
YouTubeWhat If
1:18:32
The NEW Complete Alien Timeline (1979 - 2025)
217.2K views9 months ago
YouTubeNerdist
See more
Static thumbnail place holder