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!
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!
42:14
Physicist Michio Kaku: The Universe in a Nutshell...
Physicist Michio Kaku explains the fundamental nature of our universe
46:50
Deep Science: Why is Our Universe the Way It is?
Get ready to understand the Universe like never before...
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.
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.
Supplement Linked to Dramatic Increase in Heart Failure
The research found that prolonged melatonin use is linked to a 90% increase in heart failure risk, a 3.5-fold higher risk of heart failure hospitalization.
Research Shows: Just 2 Spoons of This to Lose Weight
Cider Apple vinegar is making headlines again following a study that found two tablespoons of it per day may greatly help with weight loss and improving blood sugar. Even more than expensive medications and treatments with many side effects.
Meta Unveils New Glasses that May Change Sports Forever
META has revealed a new line of AI-powered smart glasses: Oakley Meta HSTN
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.
5:50
The Rise of the Machines: Can Humanoid Robots Help Us?
Will humanoid robots change the way we work forever?
The First Valentine's Day Was Not That Long Ago...
Let us take you on a fun history lesson with these 10 first-ever things that started way back in history and remain to this day.
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.
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.
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!
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.
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.
5:01
The Truth About Folding Phones You Need to Know
Don’t buy a foldable without knowing this first.
4:40
How to Make a Floating Chair
If you have some rope and wood - you too can build this floating chair!
12:34
The World You See Doesn't Really Exist...
his video reveals how your brain constructs reality instead of simply perceiving it.
Science in 2025: 8 Developments That Could Change it All
Here are some of the most exciting trends in science and healthcare to keep an eye on.
10:31
Science Predicts These 10 Technologies Will Rule 2025
These upcoming tech innovations will reshape our world.
9:15
These Bizarre Mysteries Continue to Stump Scientists!
The world of science hasn't been able to explain several bizarre phenomenon yet. Let's take a look at a few of them.
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.
8 Ancient Greek Scholars & Their Life-Changing Inventions
The foundations of modern medicine, engineering, biology, and astronomy were set up by these 8 stellar minds more than two thousand years ago.
10:04
11 Practical Technologies That Will Help Fight Flooding
These amazing innovations will be real handy during a flood.
The Most Remarkable Medical Breakthroughs of 2024
Here’s a look at some breakthroughs in medical innovation this year.
The Wildest Meteorites Ever Found on Our Planet - 15 Pics
Check out 15 of the most fascinating meteorites ever found on earth.
11:05
Science: Can AI Preserve Our Most Precious Memories?
Technologist Pau Aleikum Garcia talks about synthetic memories.
50:02
Take a Trip Through the Universe and Witness its Beauty
Since its launch, the Hubble Telescope returned images of unprecedented beauty of a dynamic and changing universe. Take a look!
4:49
This Video Shows You a Different Way to Look at the World
You’ve heard of the fourth dimension but do you know what it is? This TED-Ed video helps uncover a bit of the mystery.
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.
5:06
The Only Manmade Object That Will Last Forever
This copper discus contains 116 images we launched into space for aliens to see
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?
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.
8:28
Could These Signals Be A Sign of Extraterrestrial Life?
Scientists have recently picked up on a mysterious radio signal from space, and it could mean a lot - maybe even a sign from extraterrestrial life forms.
15:34
This Stunning Video Visualizes the Size of the Universe
This video visualizes the number of galaxies in the world, giving you a look into the true size of our enormous universe.
11:15
These Paradoxes Continue to Mystify Scientists
Take a look at 7 scientific paradoxes that may never get solved.
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.
20:01
Future Tech: 19 Innovations About to Change Our World
These groundbreaking new technologies will change our world.
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.
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.
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.
6:47
7 Exciting Physics Tricks You Have to See!
Watch these seven remarkable physics tricks in this exciting and fun video.
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.
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.
Nobody Believed These 5 Scientists, But They Were Right
These 5 scientists were shamed and ousted, or rudely ignored, although years later, their "crazy" theories turned out to be true...
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.
0:55
China's G1 Robot is Showing Some Incredible Moves
The G1 is a new robot developed in China and in this video shows some amazing moves.
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