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.
4:47
THIS is the True Shape of the Universe...
Find out why the vast majority of the universe we inhabit is made up of empty space in this informative and well-researched video.
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.
7:17
What on Earth Is Quantum Computing? Find Out Here
This short video below explains everything you need to know about quantum computers.
9:58
Would You Live On the Moon? Discover the Possibilities...
Did you know that the human race actually has the cash and resources available to start building a base on the moon today? Find out more here.
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.
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!
Let's Learn All About Your White Blood Cells
White blood cells (WBCs) are the part of your immune system which is responsible for fighting infection. Learn all about them here!
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...
Is Microsoft's "AI Doctor" Better Than a Real Doctor?
A new study presents a committee of digital doctors achieving approximately 80% accuracy in complex medical diagnoses – far beyond the average of general practitioners.
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.
I Bet You Didn't Have a Clue About These Human Body Facts!
The human body is the most complex machine known to mankind, but I bet you don't know these 10 amazing facts about it...
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...
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.
12:18
Do We REALLY Have Free Will or Is It An Illusion?
When you "decide" anything, was it ever really up to you?
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.
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.
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.
5:50
Why Do We Sometimes Hallucinate? Find Out Here!
In this informative TED-Ed video, Elizabeth Cox details the science of hallucinations.
6:02
How Dogs Actually Know What We Might Be Thinking
Watch how dogs might actually understand the language of humans in this informative video.
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.
Phone Overheating? Use Our Guide to End The Problem!
Is your cell phone overheating? If so, read this handy guide, which will help pinpoint the source of the problem and offer a solution for fixing it.
Here Are the 16 Oldest Household Objects in the World
If you think ancient life is remote, these pre-historic household items will make you think again. Just look at how old they are!
19:39
Lecture: What is the Future of Humanoid Robots?
Get ready to meet the humanoid partners that will redefine how we live and work.
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.
20 Incredible Inventions That We Have Completely Lost
Here are some of the most amazing ideas and inventions we have ever seen. But, sadly, all of them have been lost to science in the mysterious mists of history.
Whoa! Who Knew the Human Body Was Capable of So Much?
Have a look at these 17 intriguing facts about the human body that we can practically guarantee will leave you in awe.
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.
4:01
What Lies Within the Planet's Deepest Hole? Find Out Here
Learn all about Russia's Kola Superdeep Borehole, which at a depth of around 12km, makes it the deepest hole that mankind has ever dug into our planet.
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.
The Newest Innovations in Brain Surgery and the Near Future
Here is a clear, friendly look at the most exciting recent breakthroughs, followed by what experts expect in the decade ahead.
22:52
Will AI Take Your Jobs? An Expert Explains the Future
Gonzaga University's AI professor Graham Morehead some of our most pertinent questions related to AI.
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.
Science Proves: These 10 Bible Stories Probably Did Happen
The Bible describes many seemingly supernatural cases, but today, science can show that they might have indeed happened.
21:24
James Webb Telescope: Redefining Our View of Space
Here's a brief look at all the amazing discoveries made by the James Webb Space Telescope so far.
8:11
Fascinating: What is the Deepest Hole Humanity Has Dug?
This video explains how low humanity has dug down so far.
8 Biggest Mysteries Still Surrounding the Human Body
Although modern science has revealed much about the human body, there are some things that still remain unknown. Here are the 8 biggest mysteries about it.
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.
New Study Reveals: The Sleeping Viruses We Carry Within Us
A large new study followed more than 1,150 patients who were hospitalized with COVID-19, tracking them closely during their illness and for a full year afterward. What the researchers found sheds new light on these hidden passengers, and on why some
Science FIRST: A Fully Created Brain Inside a Computer?
Could a Computer Ever "Run" a Human Brain? Scientists Just Took a Big Step
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.
5:41
Witness the Leading New Electronic Devices of 2026
The experts at CNET and PCMag were on the floor, and they've got their favorites. Let's dive in.
These Ancient Inventions Have Got Scientists Stumped!
Here are 12 items from long ago which prove that our ancestors possessed knowledge and skills far more advanced than we once believed them to be.
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.
What is the Troxler Effect and How Does it Affect You?
Learn about Troxler's effect and the optical illusions it creates in life.
These Theories About Reality & the Universe Will Stun You
You will be shocked to discover these 10 surprising theories of the universe and reality.
How AI Is Fixing Problems Humans Struggle With
Here’s how AI is quietly reshaping the world in ways that actually matter.
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.
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