What if humans lived for 400 years? Let's imagine that our lifespan could get over four times longer. That would be a long adventure! How would it effect out health and after how many years would we become teenagers? The more scientists learn about our age, the more questions arise. Let's answer some of them.

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What would Earth look like if humans suddenly disappeared? In this atmospheric and visual journey, we explore the silent transformation of our planet without us. Cities crumble, forests reclaim concrete, animals roam freely through abandoned streets, and oceans slowly heal. Skyscrapers rust, satellites fall, and nature paints over every trace of human life.

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Spacesuits are an essential part of any space journey. They actually have a special term to name them: Extravehicular Mobility Units. Each of them costs up to $10.4 million to make. So what makes a spacesuit so extremely expensive? And what's it made of?

Let's explore what's inside each spacesuit: from a ventilation fan to the helmet that serves as a pressure bubble. Get ready for a space-fashion show gala!

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What if Armageddon happened in real life? ? What would the end of the world look like? Would you wanna see it with your own eyes? Probably not, better explore the possible scenarios on screen. ? What if a huge meteor stroke Earth? Or the sun would turn into a red giant? Maybe the Earth could collide with another planet? Let's take a look at these 7 ways you could take a planet down. ?

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Learn more about your ad choices. Visit megaphone.fm/adchoices

Learn more about your ad choices. Visit megaphone.fm/adchoices

There're 8 planets in our Solar System: each of them has a unique atmosphere, size, color and distance from the Sun. What if we combined all of these planets in one? This Mega Planet would contain characteristics of other planets and would be absolutely amazing! Let's take a look at what it'd be like!

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Inside a black hole, the rules of the universe break down. Time starts acting like space, and space starts acting like time. In this video, we explore why this happens, how Einstein’s equations predict it, and what it means for anything that falls past the event horizon.

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NASA has translated radio waves created by planets' atmospheres to find out what they sound like. The Sun only appears yellow to us through the filter of our atmosphere. Astronomers have found the largest hole we've ever seen in the Universe. Are you ready to debunk some well-known space myths and learn the latest coolest space facts? Get your spacesuit on; we launch in 3,2,1...liftoff!

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Join us as we explore the mysterious forces that may be responsible for the expansion of the universe. Is it dark energy or dark matter? Find out in this thought-provoking video on the mysteries of our vast and ever-evolving universe.

0:00 - Intro

0:13 - Cosmic inflation theory

1:09 - The beginning of the universe

2:46 - Air balloon

3:46 - Two-dimensional being

4:27 - Universe Isn't Endless, There's a Wall at the Edge

5:37 - Edge of our solar system

6:34 - Voyager 1 and Voyager 2

7:34 - Bright dots somewhere in the distance

9:06 - The Eridanus Supervoid

10:42 - Problem

11:34 - The key to traveling to another universe

12:37 - White hole

Join us as we delve into the mystery of the universe's expansion and explore the theories of dark energy and dark matter. Could these elusive forces be the key to understanding how the universe can expand into the seemingly infinite void? Let's find out in this thought-provoking video!

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