The Science of Alien Sightings | StarTalk
2:40
The Science of Alien Sightings | StarTalk
219.2K viewsJan 6, 2017
YouTubeNational Geographic
Terrifying First-Hand Alien Abduction Accounts | UFO Witness | Travel Channel
23:42
Terrifying First-Hand Alien Abduction Accounts | UFO Witness | Travel Channel
80.3K views5 months ago
YouTubeTravel Channel
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
37:13
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
6.9M viewsApr 3, 2025
YouTubeHISTORY
10 Alien Species Believed to Be Visiting Earth
13:20
10 Alien Species Believed to Be Visiting Earth
114.2K views10 months ago
YouTubeWatchMojo.com
Inside the Mystery of the Greys | Ancient Aliens
48:49
Inside the Mystery of the Greys | Ancient Aliens
1.2M views3 months ago
YouTubeHISTORY
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1:04:06
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
1M views4 months ago
YouTubeHISTORY
Evidence of Early Alien Contact with Earth | Ancient Aliens (S1, E99) | Full Episode | History
1:31:03
Evidence of Early Alien Contact with Earth | Ancient Aliens (S1, E99) | Full Episode | History
3.3M viewsNov 16, 2024
YouTubeHISTORY
42:17
See Evidence of Hawaii's Extraterrestrial Visitors | Ancient Aliens (S14, E12) | Full Episode
217.8K views5 months ago
YouTubeHISTORY
Belief in alien visits to Earth is spiralling out of control – here’s why that’s so dangerous
2 months ago
theconversation.com
Government Breaks Silence: Strange Encounters | UFO's Investigating the Unknown
42:14
Find in video from 02:26Government's UFO Files
Government Breaks Silence: Strange Encounters | UFO's Inves…
7M viewsApr 26, 2024
YouTubeNational Geographic
6:11
A UFO Hotspot in New York (Season 18) | Ancient Aliens
71.8K views2 months ago
YouTubeHISTORY
1:01:51
Exposing Government Secrets! | ALIEN AND UFO ENCOUNTERS: THE TOP 20
393.8K viewsApr 28, 2024
YouTubeFilmIsNow Movies
2:16
The Alien Perspective - Official Trailer (2025) Documentary
154.5K viewsDec 20, 2024
YouTubeIGN Movie Trailers
5:30
Ancient Aliens: Otherworldly Visitors from Unseen Dimensions (Special) | History
139.2K viewsMay 28, 2024
YouTubeHISTORY
13:20
10 Alien Species Believed to Be Visiting Earth
10 months ago
MSNWatchMojo
8:16
Belief in alien visits to Earth is spiraling out of control – here's why that's so dangerous
Sep 4, 2024
SPACE.comTony Milligan
45:56
Groundbreaking & Unexplainable Technology | Ancient Aliens | History
1.9M views10 months ago
YouTubeHISTORY
20:27
Humans From the Future | Ancient Aliens | History
1.7M views11 months ago
YouTubeHISTORY
19:05
Were Ancient Gods Actually Celestial Visitors? | Ancient Aliens | History
228K viewsMar 27, 2025
YouTubeHISTORY
14:34
Ancient Aliens: Prophecies of Extraterrestrials Returning to Earth | History
495.3K viewsMar 14, 2024
YouTubeHISTORY
21:22
Earth's Most Inexplicable Places | Ancient Aliens | History
1.5M viewsApr 24, 2025
YouTubeHISTORY
Ancient Aliens: Inside Area 51's UFO Secrets | History
18:31
Find in video from 05:01Valiant Thor's Visit
Ancient Aliens: Inside Area 51's UFO Secrets | History
5.8M viewsMay 9, 2024
YouTubeHISTORY
Arizona's Secret UFO Files | ALIENS UNCOVERED: ET OR MAN-MADE | The Hidden History Beyond Roswell
1:19:43
Find in video from 03:39Understanding UFO
Arizona's Secret UFO Files | ALIENS UNCOVERED: ET OR MAN-MADE …
157K viewsMay 5, 2024
YouTubeFilmIsNow Movies
16:27
Ancient Aliens: Unbelievable Extraterrestrial Encounters in Antarctica | History
550.9K viewsMar 28, 2024
YouTubeHISTORY
Professor Michio Kaku & Ross Coulthart interview IN FULL | UFO UAP News
47:00
Find in video from 21:37Alien Civilizations
Professor Michio Kaku & Ross Coulthart interview IN FULL | UF…
2.4M viewsFeb 29, 2024
YouTube7 News Spotlight
19:20
Neil deGrasse Tyson Explains Alien Visits, UFOs, and Other Conspiracies
1.4M viewsMar 9, 2021
YouTubeStarTalk
14:09
What If Aliens Invaded Earth in 2025?
237.9K viewsOct 23, 2024
YouTubeWhat If
21:57
SCARIEST Alien Evidence | UFO Witness | Travel Channel
152.3K viewsAug 25, 2024
YouTubeTravel Channel
13:40
Ancient Aliens: Evidence of Life in Outer Space | History
412.1K viewsJul 25, 2024
YouTubeHISTORY
8:44
The Compelling Evidence That Aliens Have Visited Earth
1.7M viewsFeb 26, 2016
YouTubeWhatCulture
See more