Right now, there are 1,500 active volcanoes on Earth. Just one of those volcanoes could do catastrophic damage. But at midnight tonight, every volcano on the planet is...
What if we took everything that sustains life on this planet, and shrunk it down to one small bubble? Earth’s biosphere stretches about 20 km (12 mi). From the...
If you had a device designed to freeze time for everything but you, life wouldn’t be anything like what you’d expect. You wouldn’t catch up on sleep...
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...
What does wealth look like to you? Is it a hundred dollars? A thousand dollars? A million dollars? We can always go higher. But how much is too much? In...
Coastal cities across the globe are planning how they will keep the sea away as it rises. One solution? Just move the city. How much would it cost? How do you lift a...
Today on What If, we’re taking Jupiter’s deadly gases and unleashing them on Earth. Where could you be safe from these toxic winds? How would you breathe...
That’s no moon. It’s a space station. The enormous, planet-killing kind, designed for only one thing — to bring order to the galaxy. It’s Star...
You have a weight problem. And it’s not just you, it’s everyone! That’s just how life is on Earth 2.0. Double the density, double the gravity...
Millions of years ago, the megalodon shark was one of the scariest creatures to ever lurk in our seas. And even before that, the mosasaurs reigned supreme, terrorizing...
Saturn is one of the most mesmerizing planets in our Solar System. Famous for its iconic rings, it is also a world of extreme weather and puzzling mysteries. While other...
On the morning of September 11th, 2001, tragedy struck when two hijacked airplanes crashed into the World Trade Center towers in New York City. After that, everything...
Ever since Russia invaded Ukraine, the world has been afraid of one thing. Russia’s nukes. But what exactly would happen if Russian president Vladimir Putin...
It’s almost as old as the Universe, and as massive as 34 billion Suns. It eats stars for breakfast. And now it’s about to consume our own. Behold, the great...
Unlike Earth, which is orbiting the Sun, there are billions of rogue planets roaming the Milky Way not bound to any host star. One of them has been spotted on the edge...
It might be the worst date on your weekly calendar, but it’s a date that you definitely don’t want to stand up. Garbage Day. You tie it all up into...
The Permian Period, which lasted from about 299 to 252 million years ago, was one of the most fascinating and dangerous times in Earth’s history. It ended with the...
Congratulations, you’ve taken the seven-month-long journey and have landed on Mars. And it turns out, you’re the first person. Better start getting the human...
Have you ever felt a surge of adrenaline when you stomped on a bug? Well, imagine how this guy is about to feel. Call the army, heck, call your mom, because the end is...
Everybody farts. And it’s no secret that they’re smelly, gross, and embaressing at times. But what if, instead of trying to hide our flatulence, we all just...
