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.
5:06
The Only Manmade Object That Will Last Forever
This copper discus contains 116 images we launched into space for aliens to see
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!
46:50
Deep Science: Why is Our Universe the Way It is?
Get ready to understand the Universe like never before...
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!
4:15
Where Will the Exploration of Mars Lead Us? Find Out Here
This detailed documentary explains exactly what we know about Mars so far, and what we're all expecting to find in the years to follow.
21:51
What Will the Universe Look Like in 10 Quintillion Years?
These questions take us beyond science into the realm of imagination, as we contemplate the ultimate fate of our Universe and everything within it.
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.
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.
11:28
India Built a Monster Dam That Controls the Weather!
The Polavaram Dam doesn't just control floods - it moves water between regions and much more!
7 Air Pollution Solutions That Will Help Us Breathe Easy
Let's take a look at some global initiatives that have been launched to reduce air pollution levels.
This New Blood Pressure Drug Could Be a Game-Changer
Zilebesiran, an investigational drug that is showing profound success in late-stage clinical trials is offering hope for millions who struggle to keep their blood pressure in check.
These 14 Forgotten Robots Promised So Much...
This collection showcases 14 cool vintage robots that were supposed to change everything.
1:08
Boston Dynamics New Robot Can Move Almost Like a Human
Watch the latest in robotics in this video.
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.
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.
Will We Ever Solve Our Universe's Most Complex Mysteries?
Here are 8 of the biggest unsolved mysteries from the world of physics.
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.
5 Puzzling Mysteries That Science Finally Managed to Solve
These weird occurrences have puzzled humanity for decades, if not centuries. Finally, scientists solved them & the solutions are exciting...
20:04
Emotions Explained: The Science Behind How We Feel
Neuroscientist and psychologist Dr. Richard J. Davidson answers some fascinating questions about emotions you would never expect.
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!
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.
What is the Troxler Effect and How Does it Affect You?
Learn about Troxler's effect and the optical illusions it creates in life.
Learn Chemistry Easily with This Interactive Periodic Table
This interactive table of elements has video lectures about every element, including experiments
42:14
Physicist Michio Kaku: The Universe in a Nutshell...
Physicist Michio Kaku explains the fundamental nature of our universe
These Underwater Craft Are Changing Marine Science
Here's a look at the most remarkable machines currently expanding our understanding of the underwater world.
2024's Biggest Breakthroughs in Science We Must Celebrate
These recent scientific breakthroughs could change the world.
11:43
Learn While Laughing: The Incredible Tardigrade
If you love nature and you love laughing, this incredible series of nature videos are a great way to spend a few minutes.
13 Astonishing Things You Never Thought You'd See
Here are 13 photos of rare phenomena you never thought you'd see!
6:05
The Real Reason Companies Prevent You from Fixing Things
Ever felt like you should be able to fix that broken gadget, but something's holding you back? Watch this to know more.
How AI Is Fixing Problems Humans Struggle With
Here’s how AI is quietly reshaping the world in ways that actually matter.
8:11
Fascinating: What is the Deepest Hole Humanity Has Dug?
This video explains how low humanity has dug down so far.
Science History: 17 Math Equations that Changed the World
In this article, we'll journey through 17 of these monumental formulas, demystifying the symbols to reveal the revolutionary ideas they contain and the immense impact they have had on the course of history.
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.
13 Forgotten Phone Designs That Were Too Odd to Survive
From pen-shaped dialers to phones that clipped onto your clothes, here’s a look at the most unusual phones ever made.
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.
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?
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.
20 Peculiar Microscope Photos That You Really Must See
An unseen world exists at our fingers, and thanks to these wonderful micrographs, we can get a glimpse into that dimension.
27:48
Fascinating: How are CPU Chips Made?
This is a comprehensive look at both the fabrication process and the workings of a microchip plant that makes CPUs for computers.
Extraordinary Inventions By Tesla That Were Never Built!
Nikola Tesla was a scientist too advanced for his time. Here are some of the inventions he never had a chance to build.
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.
3:07
The Speed of Light Visualized in a Magnificent Video
Have you got the patience? Watch, in scale, just how long it takes light to travel from Earth to Mars
Science Lesson: 10 Fiery Facts About the Sun You Must Know
Learn some fascinating and little-known facts about the Sun in this article.
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?
11:15
These Paradoxes Continue to Mystify Scientists
Take a look at 7 scientific paradoxes that may never get solved.
16:31
Why Building a Perpetual Motion Machine Is Impossible
Since the Middle Ages, scholars have been trying to build the mythical perpetual motion machine. Was it all in vain? Is it even possible to build such a machine?
Superwood: A New Material That Could Replace Steel
After decades of relying on steel—a material that produces nearly two tons of CO2 for every ton manufactured—builders may soon have access to something far more sustainable and surprisingly stronger: Superwood.
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