All
Search
Images
Videos
Shorts
Maps
News
Copilot
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
41:04
Cosmic Megafauna - Could Giant Alien Life Forms Exist?
323.8K views
10 months ago
YouTube
Isaac Arthur
1:10:11
Exploring the Unknown | Alien Life Forms | Full Sci-Fi Documentary |
…
3K views
8 months ago
YouTube
V Movies
8:03
The Different Types Of Alien You Should Know About | Unveiled
1M views
Oct 28, 2022
YouTube
Unveiled
43:26
The Museum of Alien Life Explained. John Boswell, Franck Marchis
7.2K views
Jan 20, 2021
YouTube
SETI Institute
18:17
How scientist found signs of alien life and why they remain cautious
…
82.8K views
Apr 18, 2025
YouTube
DW News
How Aliens Work
Jun 9, 2023
howstuffworks.com
52:52
$
UFOs & Aliens: Alien Life Forms
Nov 19, 2024
vudu.com
31:56
Ammonia-Based Lifeforms
458.7K views
Jul 20, 2023
YouTube
Isaac Arthur
1:14
Imagine Alien Life | Known Universe
1M views
Feb 27, 2012
YouTube
National Geographic
28:46
Close Encounters with Terrifying Aliens | UFO Files
104.4K views
1 week ago
YouTube
HISTORY
5:11
What If Aliens are Living Inside Earth?
623.2K views
Jan 5, 2022
YouTube
What If
13:40
Ancient Aliens: Evidence of Life in Outer Space | History
412.1K views
Jul 25, 2024
YouTube
HISTORY
23:13
Crystal Aliens: Life, But Not As We Know It
66.1K views
Mar 30, 2025
YouTube
Isaac Arthur
12:53
How an alien planet could actually evolve
1 month ago
MSN
Curious Archive
8:54
Will Aliens Look Like Human Beings?
5.5K views
Nov 22, 2024
YouTube
Unveiled
Are We About to Discover Thousands of Alien Life Forms?
Jan 10, 2025
MSN
13:20
10 Alien Species Believed to Be Visiting Earth
114.2K views
10 months ago
YouTube
WatchMojo.com
10:00
Aliens are already on Earth, new Harvard study speculates | LiveN
…
495.6K views
Jun 14, 2024
YouTube
LiveNOW from FOX
6:46
Ancient Aliens: Extraterrestrials Planted Life on Earth?! (Season 2
…
95.8K views
Mar 23, 2024
YouTube
HISTORY
30:23
What if alien creatures are just evolution taken further than we ex
…
1 month ago
MSN
Astrum
30:23
What if alien creatures are just evolution taken further than we ex
…
1 month ago
MSN
Astrum
8:16
Ever Wonder: Do Aliens Exist?
7.8K views
4 months ago
YouTube
University of Rochester
1:39
What color would aliens be?
655 views
Aug 21, 2024
YouTube
Scientific American
7:19
Lifeforms - Alien Product
190.2K views
Aug 10, 2015
YouTube
IONO MUSIC
5:24
What If We Discovered Alien AI?
450.2K views
Mar 26, 2020
YouTube
What If
1:33:30
Alien Life: Will We Know It When We See It? | World Science Festival
7.4M views
Jul 17, 2014
YouTube
World Science Festival
9:02
Shyisma & Dual Vision - Alien Lifeforms
8.6K views
Mar 24, 2023
YouTube
Psychedelic Universe
9:25
Would Aliens Look Like Humans? | Unveiled
14K views
Feb 5, 2024
YouTube
Unveiled
12:19
Find in video from 00:29
The Possibility of Alien Life Being Robotic
UFO QUEST: ALIENS, THE ROBOTIC LIFE-FORMS WE'RE MI
…
5K views
Sep 25, 2023
YouTube
UFO SECTION 51
7:05
Are There Aliens Beneath Earth?
12.5K views
Apr 25, 2023
YouTube
Extreme Mysteries
See more videos
More like this
Feedback
