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.
46:50
Deep Science: Why is Our Universe the Way It is?
Get ready to understand the Universe like never before...
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.
42:14
Physicist Michio Kaku: The Universe in a Nutshell...
Physicist Michio Kaku explains the fundamental nature of our universe
Discover the Biggest Science & Tech Breakthroughs of 2017
Explore six of the most fascinating advances that will help shape humanity's future in many different ways.
5:06
The Only Manmade Object That Will Last Forever
This copper discus contains 116 images we launched into space for aliens to see
7:17
What on Earth Is Quantum Computing? Find Out Here
This short video below explains everything you need to know about quantum computers.
24:11
25 Game-Changing Megaprojects That Will Change Our World
These incredible megaprojects that are set to redefine our world in 2025.
Meta Unveils New Glasses that May Change Sports Forever
META has revealed a new line of AI-powered smart glasses: Oakley Meta HSTN
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.
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...
5:39
Why Are Your Ears Ringing? The Causes Explained
Nearly 15% of the human population worldwide are plagued by this strange sensation, but most people don't know the causes behind ringing in the ears...
Are You Ready to Learn About the Expanse of the Universe?
If you have an interest in the unknown, then look no further than these 15 unbelievably facts discovered about space
1:08
Boston Dynamics New Robot Can Move Almost Like a Human
Watch the latest in robotics in this video.
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.
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.
These Materials are Strange Enough to Boggle Your Mind...
There are some materials in this world that totally defy scientific convention. From metals that melt in your hand, to a solid lighter than air, take a look.
Science Lesson: 10 Fiery Facts About the Sun You Must Know
Learn some fascinating and little-known facts about the Sun in this article.
The Wildest Meteorites Ever Found on Our Planet - 15 Pics
Check out 15 of the most fascinating meteorites ever found on earth.
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?
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?
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.
6:47
7 Exciting Physics Tricks You Have to See!
Watch these seven remarkable physics tricks in this exciting and fun video.
8:48
Fascinating: What Around Us is Invisible?
The Invisible Things that Turn the World...
20 Useful Facts About the Science of Cooking
The science behind cooking is not often thought of, but it plays a crucial role in a dish turning out right. Here are 20 facts on the science of cooking.
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.
Has Modern Technology Changed Our Cognitive Abilities?
Modern digital technology is everywhere and it’s changing how we think, how we behave and even how we feel about things.
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.
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.
14 Times Nature Inspired Groundbreaking Technology
Let’s explore 14 remarkable examples of how nature has shaped modern technology.
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.
2:39
Discover 5 Cutting Edge Humanoid Robots in 2025
Watch the video to see which robots are leading the pack in intelligence, mobility, and impact.
10:59
Fascinating Science: How Sand is Turned Into Glass
Have you ever looked through a window and wondered how it was made from simple beach sand? This video shows you that incredible process.
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.
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!
Six Inventions Da-Vinci Made Ahead of Their Time
He created and envisioned many inventions that were sometimes even centuries ahead of their time. Was there ever a genius as great as Da-Vinci?
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
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.
5:16
How The Brooklyn Bridge Narrowly Escaped Never Being Built
Learn about the fascinating, but equally tragic history of the construction of Brooklyn Bridge in this engaging and educational video
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.
10:48
Cutting Edge: Translating Thought to Speech is Here!
As a pioneer in Neuralink’s VOICE clinical trial, Kenneth is testing a breakthrough brain-computer interface designed to translate thoughts directly into speech.
2:41
Trick-Mousing is Such Adorable Entertainment...
Mice are much cleverer than most people believe, and they easily respond to training, as long as you use positive reinforcement, or in other words - reward them frequently for their behavior with food.
Hair Regeneration Could Be Possible With This New Process
Learn about an innovative new study which has revealed a novel treatment for effective hair regeneration.
Blood Test Breakthrough Transforms Leukemia Diagnosis
This research demonstrates that rare circulating stem cells in blood carry the same diagnostic information as bone marrow samples, enabling doctors to identify disease progression months before clinical symptoms appear.
5:28
Just How Small is an Atom? - Fascinating!
Just how small are atoms? And what's inside them? The answers turn out to be astounding...
Find Out How Some Elderly People Stay Sharp into Old Age
Some old people have better memories than people half their age. This could be the reason why...
4:57
Fascinating: How Does Our Digestive System Work?
This video explains how the human digestive system does its daily.
9:54
Neo: The New Tele-Robot that "Cleans" Your Home
Neo is a new robot that has great capabilities and is designed to clean your home. Sounds perfect right? Well, there's a catch.
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