Watch your head. Some seriously big asteroids are crashing into Earth. What kinds of shapes and sizes do they have? Which ones would have the deadliest impact? And which...
Movies love quicksand. And why not? It’s exotic, it’s dramatic, and it’s highly exaggerated. Fun fact: it’s impossible to become fully submerged...
Spanning more than 66 million years, the Cenozoic Era shaped the world we live in today. From the rise of mammals to the emergence of modern humans, this era tells a...
What if there was another version of you? Somewhere out there in the Universe. A you that could be anything. Imagine a version of you where you’re the Batman. Or...
Washington, D.C. is more than just the capital of the United States. It is the center of American political power, home to the White House, Congress, the Supreme Court...
We visit a lot of planets here on WHAT IF, but K2-141b is the most extreme one yet. Are you ready to jump on board this one-way space shuttle? If you’d rather stay...
Swipe Down for Full Video Story Even if you were not 1.5 billion kilometers (900 million miles) from Earth, building a new community would still be a major challenge...
Hyenas have spent decades being portrayed as cowardly scavengers, especially after their famous appearance in movies and cartoons. But the reality is far more terrifying...
A volcano erupts and everything nearby disappears under rock, lava, and ash. So here’s the obvious question that occurs to almost everyone at some point. Why not...
Welcome to one of the most restrictive countries in the world. Ruled by an enigmatic, tyrannical and violent leader, North Korean citizens and tourists can be threatened...
Every morning or every night. Before going out. Definitely after the big game. For most people, showering is routine. But for some, it’s religion. But if lots of...
The ocean is one of the least explored places on Earth, yet it is home to some of the most incredible life forms ever discovered. From deep sea predators to massive...
A walk in freezer is supposed to be a routine part of working in a restaurant. Employees enter, collect ingredients, check supplies, and walk back out. But when a safety...
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...
Could humans suddenly growing to the size of dinosaurs be as catastrophic as the asteroid that wiped out the prehistoric giants? Would it even be a world ending event...
For 18 year old animal lover Somer Stevens, working with big cats was more than a job. It was something she had dreamed about, and when an opportunity opened at Tiger...
With its huge rings of ice and dust, Saturn is one of the Solar System’s most iconic planets. It’s beautiful, really. But what’s it hiding behind those...
[dx_custom_adunit mobile_id=”RTK_v1lP”] 55% of the world’s population live in cities. By 2050, that’ll be two thirds of the world’s...
The Paleozoic era began 530 million years ago when the Earth woke up from an ice age. This era lasted for 289 million years, but you might not even last five minutes in...
Finding a spider inside your car is already an unpleasant surprise. But imagine opening the hood and discovering a massive 1.5 meter monitor lizard hiding underneath...
