It’s been over 200 million years since South America broke off Africa into its own continent. But now it’s behaving very strangely. It’s taking on water and going down...
How long would it take for the world’s largest rainforest to burn down? If we don’t do anything to stop it, we’ll soon find out. The Amazon rainforest...
Eight planets, hundreds of moons, hundreds of thousands of asteroids, and billions of comets orbiting our Sun make up our Solar System. And not once has a single black...
Imagine Earth covered in thick sheets of ice. And sea levels so low you could walk to a different continent. This is what our planet would look like during an ice age...
The year is 2040. You hunker down with your fellow human survivors, listening for the sound of your enemy. The cyber-bugs have taken over. How did this happen? What...
With its huge rings of ice and dust, Saturn is one of the Solar System’s most iconic planets. It’s beautiful, really. But what’s it hiding behind those...
In 1044, the Chinese invented gunpowder. And we’ve been getting into trouble ever since. Fireworks are cool, nuclear warfare is not. And nuking the moon...
The Earth may not be our home forever. Eventually, we may have to leave. What if instead of finding a potentially habitable exoplanet light-years away, we stayed in our...
Imagine being able to travel to any point in time. Where would you go, and what would you do? You could witness some of the greatest moments in history or even change...
How much do you know about black holes? What would happen if you fell into one? Say one day you were exploring space looking for a new planet for humans to inhabit, but...
The Middle Ages, a time when you were more likely to die on the toilet than take a bath. And now you’re going there with an educational mission. It’s up to...
The captain sounds the alarm. The waters around the ship rumble. Strange lights from deep below inch closer and closer to you. Something is emerging from the Mariana...
Eight legs, eight eyes, sharp fangs, and bullet-proof webs. They’re hairy, they’re scary, and now, they’re human-sized. As many as 427 million people...
Every 75 years, a ball of fire streaks across the sky. But that’s no fireball. It’s Halley’s Comet. And you’re about to hitch a ride on it. Get...
We visit a lot of planets here on WHAT IF, but K2-141b is the most extreme one yet. Are you ready to jump on board this one-way space shuttle? If you’d rather stay...
What if the Universe is an illusion? What if your reality is not what it seems to be? What if you are you’re just a 2D projection stretched on the surface of a...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Most people have never seen these tiny creatures before, but they may be the most vital organisms on Earth. Say hello...
Jupiter is a massive, terrifying planet. Despite being studied for centuries and even visited by nine space probes in the last 50 years, the undisputed king of the Solar...
A massive earthquake knocks you off your feet. There’s a blinding flash of white, and then you see a tsunami of lava rising on the horizon. A nuclear reaction has...
Could Thor actually punch the Hulk without knocking himself over?
