Imagine your bedroom infested with these tiny bugs. But, what if they were the same size as us? How much blood would a giant bed bug drink? How fast could they take over...
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...
How long would something like this take? Why would this change the weather? And how hot would Earth get? If you think something like this is impossible because we...
Throughout history, humanity has faced existential threats like giant asteroids and invisible viruses. Despite the danger, we always bounce back. But how much longer can...
Welcome to the void.Black holes remain the most mysterious and destructive force in our Universe. And when one explodes, the devastation permanently changes the...
Human beings have existed for 300,000 years and have managed to live in many unstable environments. We’ve survived ice ages, devastating pandemics and world wars...
Forget a doomsday asteroid or melting permafrost. It’s the freezing of Earth’s core that will end the world in today’s episode. Or would it? Because maybe, just...
Watch your head. Some seriously big asteroids are crashing into Earth. What kinds of shapes and sizes do they have? Which ones would have the deadliest impact? And which...
Are you religious? If you are, a huge part of your life is probably shaped by your beliefs and religious community. If you’re not, you might stare with bewilderment at...
Right now, we’re at a stage where we trust AI. The future is still bright for this type of technology, and there’s so much that we don’t know yet. With...
When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a...
There’s a deadly 40,000 km (29,400 mi)-long zone that passes through 15 countries. This area is dotted with volcanoes, giving it the name The Ring of Fire. And...
Have you ever wondered what dinosaurs were afraid of? What creature, in the Cretaceous period, made taking a drink of water a dangerous gamble? I’m talking about...
Imagine what it would be like to have miniature version of our Sun right here on Earth. Would this artificial star provide us with an infinite supply of clean energy...
In the beginning, there was nothing. Well, except for you. And the Big Bang. What would the first moments of the Universe be like? What would happen over the next...
They’re in your yard, on your walls, in your attic, and there’s probably one near you right now. The thought of these creepy crawlers might make you want to go on an...
If you were going for a refreshing swim, the last thing you’d expect is to suffocate from toxic gases. But when it comes to Lake Kivu, this is one dangerous body...
Before we take the plunge, we could better take a look at what Lake Natron is made of. Much like the Dead Sea, this lake in Tanzania doesn’t run off into any...
How about we rip the United States and Mexico apart from each other, geographically speaking? It would open up new trade routes that would make a ton of money for both...
Something incredibly strange is unfolding in our cosmic neighborhood, a powerful and unexplained gravitational force is pulling Jupiter, the largest planet in our Solar...

