UFOs & Cryptids | Expedition X | Discovery
1:00:13
UFOs & Cryptids | Expedition X | Discovery
已浏览 19.7万 次5 个月之前
YouTubeDiscovery
Physicists clash over evidence for alien life | Matt O'Dowd, Avi Loeb, Carol Cleland
26:18
Physicists clash over evidence for alien life | Matt O'Dowd, Avi Loeb, Carol Cleland
已浏览 5.8万 次4 个月之前
YouTubeThe Institute of Art and Ideas
114 Real UFO 2026: Mind-Blowing Alien and UFO Sightings You’ve Never Seen
2:36:06
114 Real UFO 2026: Mind-Blowing Alien and UFO Sightings You’ve Never Seen
已浏览 4937 次4 周前
YouTubeLAB 360
Cosmic Alien Mysteries | Space's Deepest Secrets | Science Channel
20:09
Cosmic Alien Mysteries | Space's Deepest Secrets | Science Channel
已浏览 1.3万 次5 个月之前
YouTubeScience Channel
Alien Encounters That Will Shock You: Real Abductions Finally Revealed!
10:20
Alien Encounters That Will Shock You: Real Abductions Finally Revealed!
已浏览 2.2万 次4 个月之前
YouTubeLAB 360
Spookiest UFO Stories | Alien Encounters: Fact or Fiction | Discovery
23:04
Spookiest UFO Stories | Alien Encounters: Fact or Fiction | Discovery
已浏览 3.1万 次2024年10月10日
YouTubeDiscovery
Avi Loeb: Scientists find ‘alien-like’ water on 3I/ATLAS comet | ChicagoLIVE
18:04
Avi Loeb: Scientists find ‘alien-like’ water on 3I/ATLAS comet | ChicagoLIVE
已浏览 7.1万 次1 周前
YouTubeFOX 32 Chicago
The Search for Alien Life: Inside Earth’s Most Advanced Research Vessel
45:55
The Search for Alien Life: Inside Earth’s Most Advanced Research Vessel
已浏览 4.6万 次2 周前
YouTubeSpark
Scientist Claims 'Comet' Could Be Alien Ship | GRAVITAS Highlights
10:21
Scientist Claims 'Comet' Could Be Alien Ship | GRAVITAS Highlights
已浏览 4.9万 次7 个月之前
YouTubeWION
Government Breaks Silence: Strange Encounters | UFO's Investigating the Unknown
42:14
Government Breaks Silence: Strange Encounters | UFO's Investigating the Unknown
已浏览 701万 次2024年4月26日
YouTubeNational Geographic
Exploring the Unknown | Alien Life Forms | Full Sci-Fi Documentary | Free Movie
1:10:11
Exploring the Unknown | Alien Life Forms | Full Sci-Fi Documentary | Free Movie
已浏览 2970 次7 个月之前
YouTubeV Movies
Groundbreaking & Unexplainable Technology | Ancient Aliens | History
45:56
Groundbreaking & Unexplainable Technology | Ancient Aliens | History
已浏览 187.6万 次9 个月之前
YouTubeHISTORY
A Family Trip Turns Extraterrestrial | DUST Sci-Fi
12:13
A Family Trip Turns Extraterrestrial | DUST Sci-Fi
已浏览 16.2万 次3 周前
YouTubeDUST
My search for proof aliens exist
18:06
My search for proof aliens exist
已浏览 202万 次2024年7月15日
TEDAvi Loeb
When Myth Became Science | Ancient Aliens | History
13:14
When Myth Became Science | Ancient Aliens | History
已浏览 4.6万 次4 个月之前
YouTubeHISTORY
Alien Life on Arctic Moon?! | Space's Deepest Secrets | Science Channel
8:22
Alien Life on Arctic Moon?! | Space's Deepest Secrets | Science Channel
已浏览 4686 次4 个月之前
YouTubeScience Channel
Unexplained Light in the Desert | Alien Encounters: Fact or Fiction | Discovery
3:41
Unexplained Light in the Desert | Alien Encounters: Fact or Fiction | Discovery
已浏览 5212 次2024年8月8日
YouTubeDiscovery
Scientists Find Strongest Evidence Yet Of Life On An Alien Planet | World News | WION
3:38
Scientists Find Strongest Evidence Yet Of Life On An Alien Planet | World News | WION
已浏览 10.1万 次11 个月之前
YouTubeWION
Shocking Alien Encounters You Won't Believe: Real Abductions Finally Revealed!
10:20
Shocking Alien Encounters You Won't Believe: Real Abductions Finally Revealed!
已浏览 10.1万 次11 个月之前
YouTubeLAB 360
Are Aliens Experimenting On Us? And is the Government Hiding Something HUGE?
25:44
Are Aliens Experimenting On Us? And is the Government Hiding Something HUGE?
已浏览 8877 次2024年11月10日
YouTubeUnveiled
Scientists find strongest evidence yet of life on an alien planet • FRANCE 24 English
1:51
Scientists find strongest evidence yet of life on an alien planet • FRANCE 24 English
已浏览 6702 次11 个月之前
YouTubeFRANCE 24 English
Alien Curiosity | Extraterrestrial Scientists | Full Sci-Fi Movie | Free Movie
1:09:03
Alien Curiosity | Extraterrestrial Scientists | Full Sci-Fi Movie | Free Movie
已浏览 8591 次5 个月之前
YouTubeV Movies
The NEW Complete Alien Timeline (1979 - 2025)
1:18:32
The NEW Complete Alien Timeline (1979 - 2025)
已浏览 9.6万 次4 个月之前
YouTubeNerdist
Experts Reveal What Really Happened (Full Episode) | Area 51: The CIA's Secret
44:25
Experts Reveal What Really Happened (Full Episode) | Area 51: The CIA's Secret
已浏览 901.2万 次2024年6月23日
YouTubeNational Geographic
The Strangest Encounters in Space | NASA's Unexplained Files (Full Episode)
43:05
The Strangest Encounters in Space | NASA's Unexplained Files (Full Episode)
已浏览 928.2万 次2019年6月13日
YouTubeScience Channel
UFO Whistleblower Jason Sands Details Strange Alien Experience at Crash Site
15:12
UFO Whistleblower Jason Sands Details Strange Alien Experience at Crash Site
已浏览 287万 次2025年1月29日
YouTubeJRE Clips
The Different Types Of Alien You Should Know About | Unveiled
8:03
The Different Types Of Alien You Should Know About | Unveiled
已浏览 101万 次2022年10月28日
YouTubeUnveiled
Most Compelling UFO Stories | Alien Encounters: Fact or Fiction | Discovery
23:06
Most Compelling UFO Stories | Alien Encounters: Fact or Fiction | Discovery
已浏览 4.1万 次2024年8月28日
YouTubeDiscovery
Aliens are already on Earth, new Harvard study speculates | LiveNOW from FOX
10:00
在视频中查找 05:00Scientific Community's Reaction
Aliens are already on Earth, new Harvard study speculates | LiveN…
已浏览 49.5万 次2024年6月14日
YouTubeLiveNOW from FOX
展开