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.
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!
Test Your Knowledge of Our Solar Neighborhood!
This quiz will put your knowledge of our solar system to the test!
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
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.
2:39
Science Lesson: Why is Space Black?
This video will explain why exactly space is the color it is - black.
8:12
The Tallest Statues Compared, Even Those Not Built Yet...
In this 3D animated size comparison, we showcase the tallest statues in the world alongside ambitious future projects.
13 Astonishing Things You Never Thought You'd See
Here are 13 photos of rare phenomena you never thought you'd see!
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.
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.
16:26
Neanderthals Had Strength and Skills Beyond Our Limits
Neanderthals possessed truly exceptional, almost unbelievable, traits.
New Research Shows Eating Sweets Won't Make You Crave More
A groundbreaking new study challenges conventional wisdom, suggesting our preference for sweet tastes may be more stable than we think.
NVIDIA CEO Reveals Which Degree Is Worth Studying
Electrical Engineering, Computer Science, or Physics? Nvidia's CEO has a surprising answer to which area should be studied nowdays.
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.
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.
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.
PayPal Versus Credit Cards: Here's the Lowdown!
Just how safe is PayPal? Should you have a PayPal account or should you pay for all online purchases using a credit card? All is revealed here!
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.
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.
5:39
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...
6:25
Do You Like the Smell of Rain? This Is Why
One of the best things about rain and thunderstorms is that clean fresh smell afterward. But what actually causes that distinct scent?
2024's Biggest Breakthroughs in Science We Must Celebrate
These recent scientific breakthroughs could change the world.
2:11
Here are Some Unique Tricks You Can Do at Home With Salt!
This video shows us a few interesting magic tricks that you can do anytime using salt, ice, and other items you can find at home.
TRIVIA: 25 Shocking Differences Between the Sexes
Did you know that there are some vast differences between the sexes? These 25 scientific facts will probably come as a big surprise to you, they did to me.
42:14
Physicist Michio Kaku: The Universe in a Nutshell...
Physicist Michio Kaku explains the fundamental nature of our universe
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.
13:41
The 5 Most Important Fossil Discoveries from Last Year
2024 saw some really amazing fossil discoveries!
Meta Unveils New Glasses that May Change Sports Forever
META has revealed a new line of AI-powered smart glasses: Oakley Meta HSTN
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.
13:21
The Race to Complete the World's Second-Tallest Skyscraper
Malaysia is all set to unveil the world’s second tallest skyscraper.
Science News: AI-Designed Drugs Move to Human Trials
Isomorphic Labs, is positioning itself to begin human clinical trials of medications designed entirely through artificial intelligence, marking a potentially transformative shift in how we develop life-saving treatments.
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
8:48
Fascinating: What Around Us is Invisible?
The Invisible Things that Turn the World...
7 Discoveries of Albert Einstein that Changed the World
The 7 biggest discoveries of Albert Einstein and how they changed the world forever.
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.
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.
Science Lesson: 10 Fiery Facts About the Sun You Must Know
Learn some fascinating and little-known facts about the Sun in this article.
12 Bizarre Scientific Facts You Never Learned at School
The scientific facts we collected in this list aren't the kind of stuff you'll see in a school curriculum.
8 Jaw-Dropping Black Hole Facts to Warp Your Mind
These black hole facts will bend your mind!
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.
The Wildest Meteorites Ever Found on Our Planet - 15 Pics
Check out 15 of the most fascinating meteorites ever found on earth.
5:14
Earth 2125: A Vision of the Future of Our Planet
Exploring what Earth could look like in 2125 reveals exciting potential.
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.
10 Tech Products You Must Double-Check Before Buying
Beware! These tech products are most commonly faked.
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?
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.
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