The Global Threat (Full Episode) | UFOs: Investigating the Unknown
42:15
The Global Threat (Full Episode) | UFOs: Investigating the Unknown
6.7M viewsFeb 24, 2024
YouTubeNational Geographic
Searching For Aliens and Our Place in the Universe | How the Universe Works | Science Channel
1:25:26
Searching For Aliens and Our Place in the Universe | How the Univers…
1.7M views10 months ago
YouTubeScience Channel
The Search For Alien Life And a New Home | Space's Deepest Secrets | Science Channel
1:19:42
The Search For Alien Life And a New Home | Space's Deepest Secrets | …
205K views5 months ago
YouTubeScience Channel
Were We Visited by Aliens Long Ago? Theories and Evidence (S11, E4) | Ancient Aliens | Full Episode
42:17
Were We Visited by Aliens Long Ago? Theories and Evidence (S11…
1.4M views8 months ago
YouTubeHISTORY
How Close Are We To Finding Alien Life?
1:16:35
How Close Are We To Finding Alien Life?
554.9K viewsMar 13, 2024
YouTubeWhat If
The Search for New Alien Worlds | Battle of the Exoplanets | BBC Earth Science
6:20
The Search for New Alien Worlds | Battle of the Exoplanets | BBC Ear…
16.7K views5 months ago
YouTubeBBC Earth Science
The Most Alien World in Our Solar System | Space's Deepest Secrets | Science Channel
8:21
The Most Alien World in Our Solar System | Space's Deepest Secrets …
10.2K views9 months ago
YouTubeScience Channel
23:06
Most Compelling UFO Stories | Alien Encounters: Fact or Fiction | Disc…
40.5K viewsAug 28, 2024
YouTubeDiscovery
4:29
NASA Confirms 6,000 Alien Planets Could Host Life | WION Podcast
4.6K views7 months ago
YouTubeWION
33:04
Outer Space’s Most Baffling Mysteries | Ancient Aliens | History
799.4K viewsMar 4, 2025
YouTubeHISTORY
25:21
Are We Part Alien? | Ancient Aliens
69.4K views1 month ago
YouTubeHISTORY
3:45
Alien Mothership Approaching Earth—Scientist Predicts Date of …
339.7K views8 months ago
YouTubeWION
42:17
New Discoveries Reveal Earth’s Lost Hominid Co-Existence (S11, …
679.5K views8 months ago
YouTubeHISTORY
13:40
Ancient Aliens: Evidence of Life in Outer Space | History
412.1K viewsJul 25, 2024
YouTubeHISTORY
1:01:51
Exposing Government Secrets! | ALIEN AND UFO ENCOUNTERS: T…
393.8K viewsApr 28, 2024
YouTubeFilmIsNow Movies
34:00
Inside Look At Area 51 *New Theories Revealed!* | Ancient Alie…
9.3M viewsApr 22, 2025
YouTubeHISTORY
32:09
Are These the Locations of Hidden Alien Bases? | Ancient Aliens | His…
450.7K views8 months ago
YouTubeHISTORY
36:57
Lost Civilizations Beneath Antarctica? | Ancient Aliens | Hist…
8.3M views9 months ago
YouTubeHISTORY
20:27
Humans From the Future | Ancient Aliens | History
1.7M views11 months ago
YouTubeHISTORY
13:20
10 Alien Species Believed to Be Visiting Earth
114.2K views10 months ago
YouTubeWatchMojo.com
5:14
Brian Cox Explores An Alien World Beneath The Waves | BBC Earth S…
16.6K views9 months ago
YouTubeBBC Earth Science
9:15
Searching the Galaxy for Life on Other Planets | Space's Deepest S…
13.9K viewsFeb 8, 2025
YouTubeScience Channel
2:23
Alien: Earth | Official Trailer | FX
27M views10 months ago
YouTubeFX Networks
3:19
Alien: Earth | Official Teaser - Gestation Complete | FX
796.6K viewsApr 26, 2025
YouTubeFX Networks
23:42
Terrifying First-Hand Alien Abduction Accounts | UFO Witnes…
80.3K views5 months ago
YouTubeTravel Channel
10:20
Alien Encounters That Will Shock You: Real Abductions Finally Rev…
33.6K views5 months ago
YouTubeLAB 360
2:16
The Alien Perspective - Official Trailer (2025) Documentary
154.5K viewsDec 20, 2024
YouTubeIGN Movie Trailers
16:27
Ancient Aliens: Unbelievable Extraterrestrial Encounters in Ant…
550.9K viewsMar 28, 2024
YouTubeHISTORY
23:04
Spookiest UFO Stories | Alien Encounters: Fact or Fiction | Disc…
31.1K viewsOct 10, 2024
YouTubeDiscovery
24:58
Top 20 Alien Documentaries You HAVE to See
65.6K viewsMar 11, 2025
YouTubeWatchMojo.com
See more videos
Static thumbnail place holder