The Universe: Explore the Alien Worlds of Outer Space *3 Hour Marathon* | History
2:56:33
The Universe: Explore the Alien Worlds of Outer Space *3 Hour Ma…
5.2M viewsOct 15, 2023
YouTubeHISTORY
The Universe: EXPLORING VIOLENT ALIEN WORLDS *3 Hour Marathon* | History
2:56:34
The Universe: EXPLORING VIOLENT ALIEN WORLDS *3 Hour Marathon…
5.2M viewsSep 17, 2023
YouTubeHISTORY
The Mystery of Alien Travel Through History | Ancient Aliens
40:21
The Mystery of Alien Travel Through History | Ancient Aliens
446.7K views1 week ago
YouTubeHISTORY
Imagine Alien Life | Known Universe
1:14
Imagine Alien Life | Known Universe
1M viewsFeb 27, 2012
YouTubeNational Geographic
How Close Are We To Finding Alien Life?
1:16:35
How Close Are We To Finding Alien Life?
553.9K viewsMar 13, 2024
YouTubeWhat If
Aliens in Nibiru: The Story of the Original Planet X
35:55
Aliens in Nibiru: The Story of the Original Planet X
526.8K viewsFeb 26, 2023
YouTubeExtreme Mysteries
Ancient Aliens: Evidence of Life in Outer Space | History
13:40
Ancient Aliens: Evidence of Life in Outer Space | History
412.1K viewsJul 25, 2024
YouTubeHISTORY
2:21:26
Will Smith Examines Mysteries of Planet Earth | One Strange Rock M…
26.8K views2 days ago
YouTubeNational Geographic
0:59
The Truth About Alien Life in Underground Worlds
107 views1 hour ago
YouTubeChristos Avatar TV
23:56
Secrets From the Stars Decoded on Earth | Ancient Aliens
151.5K views5 days ago
YouTubeHISTORY
41:26
4 ALIEN Races That Escaped DYING Planets and Came to EARTH
1 views3 days ago
YouTubeAwaken Zone
57:28
Alien Encounters You Won't Believe | Ancient Aliens | History
38.3M viewsDec 15, 2022
YouTubeHISTORY
2:16
The Alien Perspective - Official Trailer (2025) Documentary
154.3K viewsDec 20, 2024
YouTubeIGN Movie Trailers
6:46
Ancient Aliens: Extraterrestrials Planted Life on Earth?! (Season 2…
95.7K viewsMar 23, 2024
YouTubeHISTORY
1:23
Alien Worlds Season 1 | Official Trailer | Netflix
2.8M viewsNov 14, 2020
YouTubeNetflix
1:13:59
One Hour Of Mind-Blowing Space Mysteries | Full Series | BBC Eart…
2.3M viewsJul 30, 2023
YouTubeBBC Earth Science
2:43
What If You Died on Every Kepler Planet? #Planets #Space #Scienc…
7.2K views1 day ago
YouTubeWhat If
45:24
The Universe: Mysterious Liquid Planets (S4, E9) | Full Episode | Hi…
881.9K viewsFeb 3, 2023
YouTubeHISTORY
24:58
Top 20 Alien Documentaries You HAVE to See
65.7K viewsMar 11, 2025
YouTubeWatchMojo.com
2:05:55
2+ Hours Of Exploring Our Fascinating Universe | Full Series …
1.5M viewsOct 9, 2023
YouTubeBBC Earth Science
3:21
Alien Worlds and More Space Documentaries You Need to Watc…
2K views10 months ago
MSNNetflix Junkie
1:00
The Truth About Alien Civilizations in Water Worlds
6.6K views4 days ago
YouTubeChristos Avatar TV
41:23
Neil deGrasse Tyson Confronts Andy Weir on the Science of Proje…
19.4K views2 hours ago
YouTubeStarTalk
1:00:14
Alien Mysterious: Pyramid Enigmas, Ancient Healing Powers and Illumi…
1.2K views1 day ago
YouTubeSci-Fi Central
1:14:16
We're Unlikely to Be the Only Life In the Universe
50.9K views5 days ago
YouTubeAstrum Extra
4:40
Ancient Aliens: UFOs Spotted in Antarctica (Special) | History
5.4M viewsNov 21, 2023
YouTubeHISTORY
44:23
The Universe: UFOs Caught Visiting Earth (S6, E6) | Full Episode | Hist…
6M viewsNov 11, 2022
YouTubeHISTORY
43:06
If Aliens Ever Arrived on Earth | Alien Encounters (Full Episode)
2M viewsSep 26, 2019
YouTubeScience Channel
1:07:23
Travel to the Depths of Our Mysterious Oceans | 4K UHD | Blu…
27.8M viewsSep 6, 2023
YouTubeBBC Earth
1:14:22
Alien Moon (Full Documentary)
174.1K viewsJun 22, 2023
YouTubeExtreme Mysteries
See more videos
Static thumbnail place holder