All
Search
Images
Videos
Shorts
Maps
News
More
Shopping
Flights
Travel
Notebook
Report an inappropriate content
Please select one of the options below.
Not Relevant
Offensive
Adult
Child Sexual Abuse
Length
All
Short (less than 5 minutes)
Medium (5-20 minutes)
Long (more than 20 minutes)
Date
All
Past 24 hours
Past week
Past month
Past year
Resolution
All
Lower than 360p
360p or higher
480p or higher
720p or higher
1080p or higher
Source
All
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
Price
All
Free
Paid
Clear filters
SafeSearch:
Moderate
Strict
Moderate (default)
Off
Filter
42:17
YouTube
HISTORY
Extraterrestrial Moon Bases: Strange Evidence Explained | Ancient Aliens (S1, E11) | Full Episode
The Apollo program was short-lived, and after Apollo 17 in 1972, we never went back. Could it be that we encountered something--or someone--on the Moon? See more in Season 11, Episode 11, "Space Station Moon." Watch full episodes and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. # ...
3M views
5 months ago
Shorts
18:31
5.8M views
Ancient Aliens: Inside Area 51's UFO Secrets | History
HISTORY
23:35
247.4K views
Space Secrets and NASA’s Role in the Alien Agenda | Ancient Aliens | History
HISTORY
Related Products
Alien Action Figures
Space Alien Costume
Alien Trippy Psychedelic Art
#Alien Movies
Alien: Covenant | Official Trailer [HD] | 20th Century FOX
YouTube
Mar 1, 2017
Aliens | #TBT Trailer | ALIEN ANTHOLOGY
YouTube
Apr 12, 2018
Top videos
2:16
The Alien Perspective - Official Trailer (2025) Documentary
YouTube
IGN Movie Trailers
151.4K views
Dec 20, 2024
33:04
Outer Space’s Most Baffling Mysteries | Ancient Aliens | History
YouTube
HISTORY
662.7K views
9 months ago
43:52
ALIEN: The Untold Documentary of The Film That TERRIFIED Movie Goers and Changed Cinema Forever!
YouTube
The Popcast
467.1K views
Dec 15, 2024
Famous Alien Characters
19:40
Top 20 Alien Characters of All Time
YouTube
WatchMojo.com
165.6K views
Sep 22, 2020
1:05:28
ALIEN Retrospective & Ranking: The History of Sci-Fi's Greatest Horror
YouTube
Matt Draper
58K views
Aug 21, 2024
12:15
The Alien Movie Saga Finally Explained
YouTube
Looper
3.4M views
May 3, 2020
2:16
The Alien Perspective - Official Trailer (2025) Documentary
151.4K views
Dec 20, 2024
YouTube
IGN Movie Trailers
33:04
Outer Space’s Most Baffling Mysteries | Ancient Aliens | History
662.7K views
9 months ago
YouTube
HISTORY
43:52
ALIEN: The Untold Documentary of The Film That TERRIFIED Movie G
…
467.1K views
Dec 15, 2024
YouTube
The Popcast
18:31
Ancient Aliens: Inside Area 51's UFO Secrets | History
5.8M views
May 9, 2024
YouTube
HISTORY
23:35
Space Secrets and NASA’s Role in the Alien Agenda | Ancient Aliens
…
247.4K views
4 months ago
YouTube
HISTORY
2:36
Spaceman | Official Trailer | Netflix
9.4M views
Jan 16, 2024
YouTube
Netflix
13:40
Find in video from 0:00
Introduction of Ancient Aliens: Evidence of Life in Outer Space
Ancient Aliens: Evidence of Life in Outer Space | History
409.6K views
Jul 25, 2024
YouTube
HISTORY
2:02
Alien: Romulus | Official Trailer
13.1M views
Jun 4, 2024
YouTube
20th Century Studios
1:04:06
2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
404K views
2 weeks ago
YouTube
HISTORY
1:31:03
Evidence of Early Alien Contact with Earth | Ancient Aliens (S1, E99) | F
…
2.7M views
Nov 16, 2024
YouTube
HISTORY
2:23
Alien: Earth | Official Trailer | FX
26.8M views
6 months ago
YouTube
FX Networks
26:15
NASA’s Search for Aliens | The Voyager Missions | Dhruv Rathee
22.1M views
Oct 15, 2024
YouTube
Dhruv Rathee
1:03
Alien: Romulus | Teaser Trailer
22M views
Mar 20, 2024
YouTube
20th Century Studios
5:15
New study finds potential alien mega-structures known as 'dyson
…
5.9M views
Jun 14, 2024
YouTube
NBC News
8:24
Space Colonizers Vs Facehuggers Scene | ALIEN: ROMULUS (2024)
…
318.3K views
Oct 17, 2024
YouTube
JoBlo Movie Clips
3:45
Alien Mothership Approaching Earth—Scientist Predicts Date of
…
335.7K views
4 months ago
YouTube
WION
12:35
'Alien probe' could be coming toward Earth | FOX 10 Talks | FOX
…
570.2K views
4 months ago
YouTube
FOX 10 Phoenix
36:39
I put 40 Billion marbles in the Colosseum to find alien life
655.3K views
5 months ago
YouTube
Epic Spaceman
1:01
Alien: Earth - Official "Homage" Trailer (2025)
787.9K views
4 months ago
YouTube
IGN
1:18:29
He is transported to a dangerous galaxy filled with alien forces / Sci
…
1.8M views
Nov 15, 2024
YouTube
FILMOHOUSE
35:14
Human Veteran approaches Disabled Alien boy in the middle o
…
44.8K views
Nov 8, 2024
YouTube
SCIFI-HFY
9:14
Find in video from 0:00
Introduction to Spaceman
SPACEMAN Movie Review | Adam Sandler | Carey Mulligan | Netflix
9.6K views
Mar 2, 2024
YouTube
Breakfast All Day movie reviews
1:27:45
Alien Predator | Hunted from the Shadows | Action Sci-Fi Movie | Fr
…
3.1M views
8 months ago
YouTube
The Vault | Full Free Movies
2:37
Find in video from 01:33
The Alien's Plan
Alien: Covenant | Official Trailer [
…
32.7M views
Mar 1, 2017
YouTube
Alien Anthology
1:16:35
How Close Are We To Finding Alien Life?
529.8K views
Mar 13, 2024
YouTube
What If
0:31
FX's Alien: Earth - Official Teaser Trailer (2025) Sydney Chandler, Ti
…
380.5K views
Nov 22, 2024
YouTube
IGN
3:39
Alien: Every Xenomorph Stage Explained
4.1K views
4 months ago
YouTube
Screen Rant
1:17
Spaceman - Exclusive Clip (2024) Adam Sandler, Carey Mulligan, Pa
…
8.9K views
Feb 26, 2024
YouTube
IGN Movie Trailers
3:48
ALIEN: EARTH “Deadly Species” Official Teaser Trailer (2025)
18.9K views
8 months ago
YouTube
FilmSelect
See more videos
More like this
Feedback
Feedback