The Truth Behind Aliens, Cover-Ups, and the Unknown *Marathon* | Ancient Aliens
2:12:17
YouTubeHISTORY
The Truth Behind Aliens, Cover-Ups, and the Unknown *Marathon* | Ancient Aliens
From Bigfoot encounters and hidden extraterrestrial theories to Einstein’s revolutionary ideas and alleged government cover-ups, this marathon explores some of the most debated mysteries surrounding alien contact and the unknown. See more in this marathon. Stay up to date on all of your favorite shows on The HISTORY Channel website at http ...
75.5K views2 months ago
SETI Project
SETI Project - HAL 9000 live at Solomonari Festival 2026 @EutuchiaMusic
0:25
SETI Project - HAL 9000 live at Solomonari Festival 2026 @EutuchiaMusic
YouTubeSETI Project
650 views1 week ago
SETI Project - The X Files live at Trance of the Buddha Events 28 04.2026
0:25
SETI Project - The X Files live at Trance of the Buddha Events 28 04.2026
YouTubeSETI Project
1.3K views1 month ago
SETI Project - SpaceTimeContinuum live at Trance of the Buddha Events 28 04.2026
0:33
SETI Project - SpaceTimeContinuum live at Trance of the Buddha Events 28 04.2026
YouTubeSETI Project
617 views1 month ago
Top videos
Alien Fallout and NASA Cover-Ups *Marathon* | UFO Hunters
2:13:16
Alien Fallout and NASA Cover-Ups *Marathon* | UFO Hunters
YouTubeHISTORY
18K views1 month ago
Uncovering Decades of UFO Cover-Ups | Special | Full Episode | History
1:21:46
Uncovering Decades of UFO Cover-Ups | Special | Full Episode | History
YouTubeHISTORY
415K views8 months ago
Retired admiral exposes 80-year government UFO cover-up | UNKNOWN | FOX 10 Phoenix
42:13
Retired admiral exposes 80-year government UFO cover-up | UNKNOWN | FOX 10 Phoenix
YouTubeFOX 10 Phoenix
131.3K views1 month ago
Fermi Paradox
The Zoo Hypothesis and the Fermi Paradox... Are We Being Watched?
41:07
The Zoo Hypothesis and the Fermi Paradox... Are We Being Watched?
YouTubeIsaac Arthur
68.3K views1 month ago
The Oxygen Solution to the Fermi Paradox
12:24
The Oxygen Solution to the Fermi Paradox
YouTubeJohn Michael Godier
40.8K views2 weeks ago
The Terrifying Reason We Are Alone in the Universe — Solving the Fermi Paradox
1:59:26
The Terrifying Reason We Are Alone in the Universe — Solving the Fermi Paradox
YouTubeQuantum Space Research
15.6K views3 weeks ago
Alien Fallout and NASA Cover-Ups *Marathon* | UFO Hunters
2:13:16
Alien Fallout and NASA Cover-Ups *Marathon* | UFO Hunters
18K views1 month ago
YouTubeHISTORY
Uncovering Decades of UFO Cover-Ups | Special | Full Episode | History
1:21:46
Uncovering Decades of UFO Cover-Ups | Special | Full Episode | History
415K views8 months ago
YouTubeHISTORY
Retired admiral exposes 80-year government UFO cover-up | UNKNOWN | FOX 10 Phoenix
42:13
Retired admiral exposes 80-year government UFO cover-up | UNKNO…
131.3K views1 month ago
YouTubeFOX 10 Phoenix
UFO Whistleblower David Grusch Makes Bombshell Revelation about Sentient Alien Plasmoid Life
10:25
UFO Whistleblower David Grusch Makes Bombshell Revelation about S…
14.5K views3 weeks ago
YouTubeLAB 360
Aliens are real and there’s a government cover-up, new documentary claims
1:33
Aliens are real and there’s a government cover-up, new document…
131.8K viewsMar 12, 2025
YouTubeABC News
Alien Betrayal: UFOs and the Biggest Cover Ups In History
58:46
Find in video from 34:02Cooper's Alien Spy Encounter
Alien Betrayal: UFOs and the Biggest Cover Ups In History
21.2K viewsApr 27, 2024
YouTubeExtreme Mysteries
Storming Area 51 & Beyond: Top Alien Cover-Ups Revealed | Ancient Aliens | History
23:41
Storming Area 51 & Beyond: Top Alien Cover-Ups Revealed | Ancient Aliens …
144.9K views10 months ago
YouTubeHISTORY
6:47
Is the alien cover-up over? Dan Farah on Trump’s new UFO disclosure order
133.2K views4 months ago
YouTubeFOX 32 Chicago
3:01
Obama Confirms Aliens Are Real: UFOs, Area 51 Secrets & Donald Tru…
11.1K views4 months ago
YouTubeCNN-News18
11:54:56
UFO Hearing LIVE | "UAP Are Real" Shocking Alien Revelation Rocks Am…
3.3K views1 month ago
YouTubeMIRROR NOW
7:25
Has government been hiding signs of extraterrestrial life?
Jul 29, 2023
CNN
52:11
Is Alien Life Hiding in Our Solar System? | Life In Outer Space | FULL …
459.3K viewsJun 17, 2025
YouTubeNaked Science
10:21
Was This The Military's Extraterrestrial Cover-Up?! | Mysteries of the Abando…
18K views11 months ago
YouTubeScience Channel
13:45:51
UFO Cover-Up Allegations Rock Congress | Military Whistleblowers T…
6.8K views7 months ago
YouTubeCNN-News18
28:46
Close Encounters with Terrifying Aliens | UFO Files
157.7K views2 months ago
YouTubeHISTORY
1:33:14
Dr. Steven Greer On The UFO Criminal Cabal & CE-5 Contact | Unveiled Ep. 23
881.6K views10 months ago
YouTubeWatchMojo.com
24:09
The Truth About Alien Disclosure | Ancient Aliens
376.4K views1 month ago
YouTubeHISTORY
20:20
The Truth Behind These Unexplained Phenomena | Ancient Aliens
182.4K views1 month ago
YouTubeHISTORY
39:22
What Governments Know About Aliens | Ancient Aliens
997.9K views4 months ago
YouTubeHISTORY
41:04
Cosmic Megafauna - Could Giant Alien Life Forms Exist?
331.2K viewsJun 26, 2025
YouTubeIsaac Arthur
3:53:31
LIVE: ‘Aliens are real’, Trump Exposes Hidden UFO Secrets That Governmen…
16.8K views1 month ago
YouTubeET Now
3:35:36
UFO FILES EXPOSED | Trump Releases UFO Files, Shocking Congress Hearin…
94K views2 months ago
YouTubeCNN-News18
23:35
Space Secrets and NASA’s Role in the Alien Agenda | Ancient Aliens | History
273.4K views10 months ago
YouTubeHISTORY
24:21
What If We Found Alien Life on K2-18 b?
690.6K viewsJul 4, 2025
YouTubeWhat If
10:00
Aliens are already on Earth, new Harvard study speculates | LiveNOW …
503.9K viewsJun 14, 2024
YouTubeLiveNOW from FOX
45:43
Is The Government Covering Up The Truth About Extraterrestrials? | UFO …
8.9M viewsNov 27, 2020
YouTubeSpark
22:34
Top 5 Alien Cover-Ups by the US Government | Ancient Aliens | History
815.7K viewsMar 2, 2023
YouTubeHISTORY
1:01:51
Government Cover-ups and Secrets - The truth is out there | ALIEN AND UF…
31K viewsMar 2, 2025
YouTubeFilmIsNow Movies
1:01:51
Exposing Government Secrets! | ALIEN AND UFO ENCOUNTERS: THE TOP 20
393.9K viewsApr 28, 2024
YouTubeFilmIsNow Movies
See more videos
Static thumbnail place holder