I don't know about you, but I'm an individual that has always been fascinated by the big questions in life, such as what happens to us when we die, or what time actually is. That's why it's always a good day for me when I come across a documentary that goes a long way toward formulating reasonable answers to those questions. To celebrate the beauty of our world and the vastness of our universe, I've made a collection of the finest "big question" documentaries just for you.
To watch a documentary, just left-click on any of the photos below with your mouse. If you want to watch another, just click on the 
button in the upper right corner of the video. If you wish to view the documentary in full size, the full screen button is located on the bottom right of the video player. Happy viewing!
Images (including cover) by Deposit Photos.
Take an Interactive Tour of Our Colossal Milky Way Galaxy
Fly Through the Milky Way Galaxy!
42:14
Physicist Michio Kaku: The Universe in a Nutshell...
Physicist Michio Kaku explains the fundamental nature of our universe
Travel From the Sun to Pluto With Our Interactive Guide!
The solar system is a fascinating place, and we wanted to bring you an interactive journey that you can use to travel through it. Enjoy the journey!
Whoa! I Can't Believe Technology Has Gone So Far...
From vending machines that dispense cars to mind-reading sleep devices, these complex inventions will blow any tech-enthusiast away!
Incredible! These TVs from the Future Will Blow Your Mind!
Television companies are nothing if they're not ambitious. Have a look at 5 of the most advanced forms of TV technology that we can't wait to see in action!
46:50
Deep Science: Why is Our Universe the Way It is?
Get ready to understand the Universe like never before...
10 Fascinating Psychological Facts You Should Know About
Psychology is the science of studying the individual and the things that make us, as humans, tick. These 10 psychological facts you've never heard of before will make for fascinating reading material.
15 Beautiful Carl Sagan Quotes on the Stars and the Cosmos
A look at some profound quotes on the universe by famous astronomer and cosmologist Carl Sagan.
These Theories About Reality & the Universe Will Stun You
You will be shocked to discover these 10 surprising theories of the universe and reality.
These 14 Forgotten Robots Promised So Much...
This collection showcases 14 cool vintage robots that were supposed to change everything.
4:57
Fascinating: How Does Our Digestive System Work?
This video explains how the human digestive system does its daily.
8:46
Science: What is Reality? Dive in and Find Out!
What if everything you see, feel, and experience isn’t real? The simulation argument suggests that our reality might be nothing more than an advanced computer program.
2:17:01
Astronomy: What is Beyond the Edge of the Universe?
In this video, we explore what modern astronomy reveals about the universe’s boundaries—if they even exist.
These Optical Illusions Will Shock Your Mind!
Optical illusions create miscommunication between our eyes and brain making, us see things that are not really there or not see things that are right in front of us. See for yourself.
10 Declassified U.S. Military Secrets That'll Astound You
Government military secrets can range from amusing to absurd to downright terrifying, but they are all extremely intriguing. Here are 10 such secrets.
6:15
K2-18b: The Exoplanet That Might Host Alien Life
Astronomers have detected signs of posisble life in the atmosphere of exoplanet K2-18b.
Remembering the Life and Wisdom of Stephen Hawking
Stephen Hawking possessed one of the greatest minds the world has ever seen, but was also impaired by a debilitating disease. Here are his life ant times.
These Are the Miracles That Happen in Our Bodies Every Day
There is a lot that happens inside our bodies every single day. Did you know any of these facts?
Will We Ever Solve Our Universe's Most Complex Mysteries?
Here are 8 of the biggest unsolved mysteries from the world of physics.
10:46
Neat Life Hacks To Help You Remember Things Better
A lot of us tend to forget the simplest things at times. This video provides some neat tips to help boost your memory.
Enjoy This Fascinating Collection of NASA's Best Photos
Here are 15 of NASA's most amazing recent pictures, along with brief explanations of exactly what is going on in each one.
10 Obscure Inventions by World Famous Inventors
We’d like to bring your attention to 10 lesser-known inventions of famous figures in history, which will reveal a new and different side of these inventors to you.
20:01
Future Tech: 19 Innovations About to Change Our World
These groundbreaking new technologies will change our world.
18:14
Are These Vintage Kitchen Gadgets Any Good?
Will any of the vintage kitchen gadgets stand the test of time or outperform their contemporary alternatives?
Chocolate Exposed! Here's What It Does to Your Brain!
Just what is it that makes chocolate so irresistible to so many people around the world? Find all of the answers in the article.
Space Looks Breathtaking in These Amazing Photographs
There are some absolutely stunning photographs of space out there today, You won't believe how incredible it is!
3:39
Magic is Only A Vibration Away With This Great Experiment
All it takes is some sand, a metal plate and carefully toned vibrations from a speaker to create stunning and complex patterns. This video shows you the amazing results!
What Your Phone Habits Say About Your Mental Health
These phone habits might indicate underlying anxiety—and paying attention to them could help you better understand your mental health.
7:56
These 6 Chemical Reactions Changed the Course of History
Although we rarely pay much attention to the chemistry that constantly surrounds us, these 6 reactions changed history.
19:27
20 of the Most Infamous Tech Product Flops In History
Here's a look at some of the most infamous and biggest technology failures in recent history.
42:14
Physicist Michio Kaku: The Universe in a Nutshell...
Physicist Michio Kaku explains the fundamental nature of our universe
10 Tech Products You Must Double-Check Before Buying
Beware! These tech products are most commonly faked.
11:15
These Paradoxes Continue to Mystify Scientists
Take a look at 7 scientific paradoxes that may never get solved.
4:26
Despite Looking Similar, Cats Are MORE Diverse Than Dogs!
Who's more diverse, cats or dogs? This video answers this question once and for all, the it might surprise you...
12 Steps That Help to Explain Einstein's Famous Theory
Have you ever wondered what Einstein's Theory of Relativity is all about? If you have, here is an easy-to-understand explanation!
18:21
Fascinating: How Do Cats TRULY See Humans?
Understanding a cat's world is the key to strengthening your bond. Let's decode your cat's mind!
6 Signs That Someone is Listening on Your Cellphone Calls!
With technology advancing all the time, there is the ever-increasing chance of our phones being tapped. Here are 6 signs that your phone could be tapped.
5:47
This Genius Child is a Better Calculator than a Computer
This ‘human calculator’ could likely outpace you entering the numbers into a calculator.
21:24
James Webb Telescope: Redefining Our View of Space
Here's a brief look at all the amazing discoveries made by the James Webb Space Telescope so far.
12:34
The World You See Doesn't Really Exist...
his video reveals how your brain constructs reality instead of simply perceiving it.
5:56
What on Earth Is a Black Hole? This Video Explains All...
What on Earth are black holes, how do they affect us, and should we be at all worried about their existence? Find out here.
10:30
China's Crazy Plan to Dig a Canal in the Middle of EUROPE
China is setting out a plan to dig a canal through the middle of Europe in the nearest future, but why?
Study Shows Seniors Still Grow New Brain Cells Daily
A new study shows that even the elderly keep on growing new brain cells, which could be the breakthrough the scientific community was waiting for...
10:50
Remarkable! This Is How the Universe Developed...
Watch this time lapse of the entire universe - starting with the big bang and culminating in the appearance of homo sapiens.
I Bet You Didn't Have a Clue About These Human Body Facts!
The human body is the most complex machine known to mankind, but I bet you don't know these 10 amazing facts about it...
3:55
50 Years Later, We're Debunking the Moon Landing "Hoax"
How do we prove to people the moon landing was real? By answering their doubtful questions in this video.
Science Lesson: 10 Fiery Facts About the Sun You Must Know
Learn some fascinating and little-known facts about the Sun in this article.
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