It’s time to live your ultimate supervillain fantasy. Today, you’re going to unleash your masterpiece of mass destruction. An antimatter bomb. How would you build it...
It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an event that changes the course of history as...
What if we physically separated the United States and Mexico with a massive engineered waterway? In theory, it could create entirely new trade routes, generate huge...
You would live in giant glass domes, and grow small portions of food inside. And if you happen to go outside, it would be in your big clunky spacesuit, and you...
Imagine that the Sun is on the verge of exploding. Or that a planet-killing asteroid is headed our way. Or maybe you just want to take the entire planet on a joy ride...
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...
Back in 1846, whaling was one of the most booming industries in the whole world. It was the fifth largest sector in the United States economy, raking in a cool $10...
Deep beneath the United States lies one of the most powerful volcanic systems on Earth. Yellowstone is not a typical volcano sitting on a mountain peak. It is a...
Forty light years away from Earth, orbiting a small red dwarf star in the constellation Pisces, lies one of the most intriguing exoplanets discovered in recent years...
Imagine looking up at the moon and seeing space dust floating around it. Maybe broken-off parts of the moon are raining down on Earth. You’d wonder what happened;...
Imagine a world where you’re not even human. You can create universes with ease and control time. This could be a reality in an incredibly advanced, and I mean an...
They are annoying. They are everywhere. And they land on you without warning. Flies are usually dismissed as simple pests, but new research suggests they may be far more...
These creatures dominated their environments with unique weapons, powerful bodies, and deadly instincts. Here are six prehistoric creatures that could easily compete...
As 2025 approaches, the world faces a mix of alarming risks and exciting possibilities. From global conflicts to scientific breakthroughs, here is a look at ten...
The most deadly predator of the sea spent its days conquering and terrorizing every creature in sight. This is the megalodon. It lived millions of years ago, but imagine...
Our Universe was born billions of years ago. And since that time, it’s given birth to millions of galaxies, our Solar System, and who knows what else. Our Universe...
You’re lost in the jungle without any other humans around. You need to find a new family. Or your new family could find you. What would it be like to be raised by...
Somewhere in the far reaches of space, a giant hunk of rock is hurtling our way, just biding its time before an extinction-level impact with Earth. Before you run into...
You and your family wake up to an emergency broadcast: “The United States is now in a state of emergency. Riots erupt, statues are torn down, and the government...
A blazing ball of fire lies deep underground. It’s Earth’s core. This colossal sphere of molten iron far beneath your feet is what made your life on Earth...
