Space is full of treasures. Literally. If we were able to extract the resources from the rocks in the asteroid belt alone, we could give $100 billion to every...
All over the world, people are treating bodies of water like they are giant garbage dumps. And experts say that continuing these practices will result in catastrophic...
An ancient creature is lurking in the ocean. It’s double the size of a T.rex. Its gigantic jaws could crush a car. And now, it’s on the hunt for you...
The Moon has been Earth’s constant companion for billions of years, shaping tides, lighting the night, and inspiring countless stories. But what if our Moon had a...
Humans are built for life on land, but what if evolution had taken a different path and sent us back into the ocean? To imagine this, we need to look at some of the...
Grab your weapons, find your friends and get to your base. It’s zombie-hunting time! That thing you’ve been daydreaming about for years is finally happening...
Scroll to the bottom to watch the video. They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara...
Millions of years ago, early humans lived in a world where survival was anything but guaranteed. Wild predators, unpredictable weather, and deadly diseases constantly...
Are you tired of cramped city-living? Then anti-gravity might be for you! Do you want to soar effortlessly over traffic jams, while the drivers below you lose their...
40 km (25 mi) off the coast of Brazil lies an island so dangerous it’s illegal to visit. But rules don’t apply to you. You’re a thrill-seeking...
In 1850, 94% of the world’s population lived in extreme poverty. Today, we’ve managed to bring that number down to roughly 10%. And if this trend continues...
In a galaxy far away, gravity didn’t quite work the way it does on Earth. And the speed at which everything moved was really weird too. Maybe, some places in our...
Our solid core has given us life as we know it. But what if Earth was hollow?
Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...
Betelgeuse, Betelgeuse, Betelgeuse. Saying its name three times won’t have the same effect as a certain bio-exorcist, but it’s still a sight to behold. At about 950...
Welcome to the Solar System construction zone. Today you’ll be using our cosmic sandbox to build a brand new planet. What would you need to create a rocky planet like...
Why do solar panels look so different these days? And why have we started installing them on top of mountains, using them to pave our roads, and putting them in the...
From space, it would look like Earth had a giant pimple. Smack dab in the middle of Brazil. Back on the ground, you’d be astonished by the enormity of Olympus Mons. The...
No more vast, barren deserts. Because we are going to turn them all into lush, green farmlands. How would we go about bringing new life to hot deserts? How much would...
No, that’s not Photoshop. That’s an actual video from the International Space Station of the Moon looking a bit squished. Wow, so what happened here? Is the...
