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.
58:22
What Does the Future Hold For Us? Find Out Here!
Dr. Michio Kaku talks at a European conference about what to expect when the cost of a computer chip will drop to just a penny due to Moore’s law.
29:21
Do You Want to See How the Universe Ends?
Take a huge journey in time with us, rushing ahead billions and trillions of years to when the universe will die.
11:53
These Cases Were Cold... Until Science Cracked Them
Technology and science aren't always about the future. Take a look at these cold cases that were solved only thanks to the advances of science.
7:17
What on Earth Is Quantum Computing? Find Out Here
This short video below explains everything you need to know about quantum computers.
2:39
Science Lesson: Why is Space Black?
This video will explain why exactly space is the color it is - black.
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!
4:11
This Video Will Show You Where We Are in the Universe!
Where is our galaxy in the known universe? This video will fly with you to ever-larger destinations, showing you our little planet's cosmic address from a very large viewpoint.
These Theories About Reality & the Universe Will Stun You
You will be shocked to discover these 10 surprising theories of the universe and reality.
5:22
Why Do You See Colors When You Rub Your Eyes?
Explore the science of afterimages, the visual illusions that linger in your vision following exposure to bright lights or images.
8 Ancient Greek Scholars & Their Life-Changing Inventions
The foundations of modern medicine, engineering, biology, and astronomy were set up by these 8 stellar minds more than two thousand years ago.
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.
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!
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.
5:50
Why Do We Sometimes Hallucinate? Find Out Here!
In this informative TED-Ed video, Elizabeth Cox details the science of hallucinations.
14:58
Why IS Fentanyl So Dangerously Addictive?
In this video, we break down what opioids really do to your brain and body, what using them actually feels like, and why so many people are dying from Fentanyl overdoses.
8:48
Fascinating: What Around Us is Invisible?
The Invisible Things that Turn the World...
9 of the Greatest Unsolved Mysteries About the Universe!
The universe has been around for close to 14 billion years, but it still holds many mysteries that continue to perplex scientists. Here's 9 of them!
13 Astonishing Things You Never Thought You'd See
Here are 13 photos of rare phenomena you never thought you'd see!
10:04
11 Practical Technologies That Will Help Fight Flooding
These amazing innovations will be real handy during a flood.
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.
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.
Absolute Zero: The AI that Doesn't Need People to Develop
Imagine an AI that doesn’t need humans to teach it how to code—it creates its own coding challenges, solves them, and gets smarter all on its own. This isn’t science fiction; it’s a groundbreaking development called Absolute Zero
36:24
Ever Wonder How a Steel Locomotor Works?
Let’s take a closer look at the engineering behind these compact workhorses.
58:37
Science: Here's Everything We Know About Pluto
Join us as we unravel the mysteries of far off Pluto, 3.7 billion miles from our Sun.
Uncover the Secrets of the Universe in These Documentaries
This list of riveting space documentaries will help you unlock the mysteries of the universe and beyond.
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.
The Most Remarkable Medical Breakthroughs of 2024
Here’s a look at some breakthroughs in medical innovation this year.
42:14
Physicist Michio Kaku: The Universe in a Nutshell...
Physicist Michio Kaku explains the fundamental nature of our universe
4:05
Kirobo: First Robot in Space!
It was one small step for robot and another giant leap for mankind...
21:25
How Every Nuclear Power Got Its Atomics
This video will explain how each nation earned the complex and controversial title of nuclear power.
7 Mind Blowing Science Facts School Left Out
Put on your learning caps! We rounded up 7 surprising scientific facts you probably didn't learn at school.
2024's Biggest Breakthroughs in Science We Must Celebrate
These recent scientific breakthroughs could change the world.
8:19
You Won't Believe What Passes for a Phone in North Korea
You won't believe what phones look like in North Korea!
4:22
eSIM vs Traditional SIM: What’s the Big Difference?
Are eSIMs and iSIMs the future of connectivity?
Nobody Believed These 5 Scientists, But They Were Right
These 5 scientists were shamed and ousted, or rudely ignored, although years later, their "crazy" theories turned out to be true...
1:17
The Age of the Affordable Android Robots is Here...
Meet the Unitree R1 – the game-changing humanoid robot that just shattered every price expectation in robotics.
11:15
These Paradoxes Continue to Mystify Scientists
Take a look at 7 scientific paradoxes that may never get solved.
1:44
You Won't Believe What the Human Body Does in One Minute
How much do you think it is capable of doing in a single minute? Watch this video and you'll have your answer!
16:26
Neanderthals Had Strength and Skills Beyond Our Limits
Neanderthals possessed truly exceptional, almost unbelievable, traits.
20:32
History: Did the Trojan War REALLY Happen?
The Trojan War, the most famous of the ancient wars, fought by thousands of men for ten long years on the beaches of the famed city of Troy. Was all that real?
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.
6:47
7 Exciting Physics Tricks You Have to See!
Watch these seven remarkable physics tricks in this exciting and fun video.
22:35
Neuralink Update 2025: The Most Incredible Moments
Welcome to our 2025 Neuralink update, where we’ll take you through the most incredible and groundbreaking moments from the past year.
17:03
What is a Ballistic Missile and is Its Purpose?
Why is the ballistic missile so feared, and what exactly qualifies it as such - will all be explained in this informative video.
0:55
China's G1 Robot is Showing Some Incredible Moves
The G1 is a new robot developed in China and in this video shows some amazing moves.
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.
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