What if all the stars disappeared tomorrow, together with all the planets, solar systems and galaxies? What would be left of the Universe if it suddenly collapsed...
The Paleozoic era began 530 million years ago when the Earth woke up from an ice age. This era lasted for 289 million years, but you might not even last five minutes in...
For billions of years, the Sun’s gravitational has kept Earth’s orbit on a steady and reliable path. But this rogue star has other plans for our planet. This...
What if you took your school assignment to the next level and decided to collect physical samples of as many elements as possible?
Imagine if we could collect the energy out of thin air. And I mean it quite literally. You know how you were taught that a vacuum is nothing but empty space? That...
The tallest man to ever walk the Earth was 2.72 m (8’9″) tall, and he quickly became an international sensation. So can you imagine what life would be like...
Aliens?! Enchiladas?! What is this world coming to? Or should I say, what is coming to this world? First of all, yes, it’s pronounced Enceladus (EN-CELL-A-DUSS)...
What if, instead of Trump or Biden becoming the next U.S. President, there was a third-party candidate? And that candidate was Elon Musk? What if Elon Musk became the...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
Are you looking for a change of scenery? Are you tired of boring old Earth? How would you like a new home away from home? Really far away from home. Like outside our...
Neuralink is an American company started by ohhhhh, let’s just say “well-known public figure” Elon Musk. Launched back in 2017, its mission was to...
I know what you’re thinking. This is… really weird. And also pretty funny. But instead of this just being a silly internet video, what if this were our...
What if Jupiter’s 79 moons weren’t gravitationally bound to Jupiter? What if they became rogue objects orbiting on their own paths around the Sun? Would they still be...
The world has approximately 7.7 billion people on it… until now. Half of the world’s population has been snapped out of existence. Instantly.If you happened...
Earth can be full of extremes. But today, there is only one extreme. Non-stop earthquakes that last an entire year. What would it be like to live under such shaky...
Welcome to your new landfill: a giant ball of burning gas that we call the Sun. With surface temperatures of 5500°C (9,940°F), it could obliterate any type of trash we...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Betelgeuse, Betelgeuse, Betelgeuse. Unlike in the movie, you don’t have to say it three times to make it...
This is the world 200 million years ago. No cell phones, electricity or even other humans. Would you be able to survive in this new world? Could you get yourself a pet...
What if the Moon was more than just a lifeless rock? Under that bright light, it could be hiding an alien civilization. When did this alien life begin on the Moon? What...
With the world’s population growing every year, we need to find ways to produce more food. So, if we could bring dinosaurs back from the dead, would you eat them...
