Under extreme circumstances, humans can often pull together to overcome great odds. But when confined in a tight space with each other, well, we may not be at our finest...
Scroll down to watch the video. Deep beneath the thick layer of million-year-old ice, something is lurking quietly, waiting to rip through the rigid ice sheets. This...
In 7.5 billion years, the Sun will expand and engulf our planet, destroying all life as we know it. Of course, a mass extinction on Earth could happen much sooner than...
They’re big, they’re scary and they can carry cars, cows and even a couple of houses. They can range from a simple dust storm to a force that can wipe out an...
Could there be an even better planet for us than Earth? Scientists are searching for a superhabitable world that wouldn’t just rival Earth, but be a place where life...
The Solar System may appear calm and well organized, but it is actually the result of billions of years of delicate cosmic balancing. Changing the order of the planets...
Scroll down to watch our video. Unless you’re an astronaut, you probably don’t spend a lot of time thinking about gravity. We all take gravity for granted...
Sixty six million years ago, a colossal asteroid crashed into what is now the Yucatán Peninsula in Mexico. It triggered the extinction of the dinosaurs and wiped out...
Let’s say you’ve got two bottles of water in front of you. One is a plastic bottle, the other a reusable one. You already know that you should probably pick the reusable...
Scroll down to watch the video. We’re talking about a fish that’s much, much smaller than a great white shark, but that’s got a bite about two times...
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...
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...
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...
If the Universe is full of stars, why doesn’t it appear white? And if it did, what would that look like? Would all the black holes suddenly become visible? And if...
Could World War III really happen before 2030? Old rivalries and power moves are pushing nations to the edge. Let’s break down five conflicts that could ignite the next...
What if I told you we discovered an alien species with an adaptable body? Advanced intelligence? And astounding camouflage skills? Enter the octopus. Wait. What did you...
Welcome to Earth City. Yeah, you heard that right. You’re not going on a globetrotting tour to see all the planet’s major cities. You’re already there. Today, the entire...
For decades, relations between America and North Korea have run from tense highs to some interesting lows. But what happens when two superpowers decide that enough is...
Humans have a knack for changing the environment. Often, these projects have effects we didn’t plan for. Sometimes, it’s disastrous. And other times, it gives us energy...
In some of the wealthiest corners of the world, the very rich are putting their money towards building underground bunkers to survive the apocalypse. These subterranean...

