They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara Falls attracts millions of visitors from...
What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in our galaxy? And what if this faraway planet...
This shiny metal is constantly in a liquid state. This is mercury. We normally see this metal in tiny quantities. But what would happen if we took thousands of liters...
e now live in a world where supposed facts either turn out to be fictions or are so outrageous that the increasingly dismayed novelist would struggle to get them passed...
Uh-oh. Looks like somebody left the gas running on Jupiter. Don’t do anything stupid, like lighting a humongous match. What would a match need to be made of to ignite...
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...
Imagine looking up at the night sky and seeing something impossible. The Moon is no longer alone. A tiny new object has appeared, orbiting around our Moon instead of...
Few animals in freshwater ecosystems have a reputation as intense as piranhas. Popular culture often shows them as aggressive predators capable of stripping flesh in...
We encounter millions of microbes every day without even realizing it. Most are harmless, but some can spread illness through the surfaces we touch the most. From places...
For over half a century, we’ve searched for radio signals from extraterrestrial civilizations. But it’s, been, well, a little quiet. Are they ignoring us? Or...
Welcome to Jurassic World. In real life. Let’s bring back some of the most dangerous creatures to ever roam the Earth. What could go wrong? Right? How would we be able...
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...
“The nicknames that it has, the Bridge of Pain, Gladiator School, Torture Island, the name speaks for itself.” Those are the words of former Rikers inmate Vidal Guzman...
Forget everything you know about the United States of America. It is not united anymore, but divided into several independent nations. No, this isn’t the result of...
Imagine looking up at the night sky and seeing a bright blue planet where the Moon should be. At first, it would look like a beautiful cosmic event. But then astronomers...
A giant asteroid is headed our way. But no, it won’t hit the Earth. This asteroid is about to slam into the Moon and crack it right in half. What would it be like...
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...
You’re swimming in the sea when you feel a long creature brush by you underwater. Suddenly, there’s a sharp pain in your arm. Whatever that thing was, it...
Hundreds of meters underground. Large enough to house tens to hundreds of thousands of people. And walls strong enough to withstand the force of a nuclear blast. These...
It’s invisible, deadly and sucking up every bit of matter in its path. The most massive black hole in the known Universe is headed right toward Earth. What would you see...
