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.
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!
5:06
The Only Manmade Object That Will Last Forever
This copper discus contains 116 images we launched into space for aliens to see
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.
39:01
What's so Exciting About James Webb Space Telescope?
Why the new James Webb space telescope is much, much better than Hubble.
2:39
Science Lesson: Why is Space Black?
This video will explain why exactly space is the color it is - black.
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.
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.
11:02
Ever Wonder What Ancient Egyptian Sounded Like?
Researchers have used all the information we know to create what they think it may have sounded like.
4:45
Woah! Learning to Play Music Has This Effect on Your Brain
Learning how to play an instrument can do wonders for our brain...here's how!
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?
10 Tech Products You Must Double-Check Before Buying
Beware! These tech products are most commonly faked.
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.
The 12 Game-Changing Inventions From 2024 You Missed
2024 was a ground-breaking year in terms of innovation. Here's a look at some of the key breakthroughs from the year.
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
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.
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.
11:05
Science: Can AI Preserve Our Most Precious Memories?
Technologist Pau Aleikum Garcia talks about synthetic memories.
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.
10:04
11 Practical Technologies That Will Help Fight Flooding
These amazing innovations will be real handy during a flood.
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.
1:14:42
Documentary: How Did Our Universe Come From Nothing?
Can “nothing” truly become “something”? In this video, we’ll dig into this mind-bending question.
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...
13 Astonishing Things You Never Thought You'd See
Here are 13 photos of rare phenomena you never thought you'd see!
The Wildest Meteorites Ever Found on Our Planet - 15 Pics
Check out 15 of the most fascinating meteorites ever found on earth.
5:06
The Only Manmade Object That Will Last Forever
This copper discus contains 116 images we launched into space for aliens to see
These Theories About Reality & the Universe Will Stun You
You will be shocked to discover these 10 surprising theories of the universe and reality.
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.
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.
I Never Knew These Stunning Facts About Our Universe
If you thought you understood the universe, you'll be completely floored by this insane facts.
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
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.
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.
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.
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.
Why It's So Hard to Get People to Change Their Stance
You feel that your knowledge is broader because you've read and researched a lot on the topic, but the other side still isn't convinced, even when you present facts and statistics. Why isn't that enough?
5:50
Why Do We Sometimes Hallucinate? Find Out Here!
In this informative TED-Ed video, Elizabeth Cox details the science of hallucinations.
42:14
Physicist Michio Kaku: The Universe in a Nutshell...
Physicist Michio Kaku explains the fundamental nature of our universe
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...
12:34
The World You See Doesn't Really Exist...
his video reveals how your brain constructs reality instead of simply perceiving it.
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.
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.
8 Important Inventions That Were a Complete Accident
It might be interesting for you to learn that some very important scientific innovations were born as a result of an accident.
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!
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.
9:09
Protective Measures: How Our Body Reacts to a Tattoo
In this video, we’ll explore the microscopic war raging beneath your skin, where millions of your cells make the ultimate sacrifice to lock that ink in place, turning a defense mechanism into lifelong art.
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.
36:24
Ever Wonder How a Steel Locomotor Works?
Let’s take a closer look at the engineering behind these compact workhorses.
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