Every year, hurricanes batter the North Atlantic and affect millions of people. The damage can be catastrophic, and these storms are getting worse. But what if we had a...
Twenty million years ago, the oceans were dominated by one of the most formidable predators in Earth’s history: the Megalodon. This massive shark, the largest ever known...
Over the past century, astronomers have speculated about the existence of a mysterious 9th planet lurking in the outer reaches of our solar system. Although we’ve...
You are walking through tall grass as daylight begins to disappear. While searching for a piece of wood, you notice something lying across the ground and reach toward it...
Over 300 million years ago, before the age of giant dinosaurs, Earth was covered with giant insects. Imagine a world where dragonflies are the size of crows and...
Swipe Down for Full Video Story The world of Pandora captured audiences with its floating mountains, glowing forests, and breathtaking alien landscapes. In James...
Jupiter may be the biggest planet in the Solar System, but its days are numbered. Because today, we’re using Earth’s biggest, baddest bombs to blow the gas giant...
Asteroids are rocky leftovers from the early formation of our planetary neighborhood. And of the over one million that we know of, most orbit the Sun in the asteroid...
What if Jupiter gained just a little bit more mass during its formation period, and then ignited to become a star? How different would our Solar System have turned out...
Cities have been named after it, economies have been built on it, wars have been fought over it, your life depends on it. Salt may be the most important, and the most...
Reptiles have ruled the planet for hundreds of millions of years, and some of them still inspire the same fear they did in prehistoric times. From giant constrictor...
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...
Black holes are one of the most devastating objects in space, sucking up everything around them. But there’s another space phenomenon that’s just as...
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...
Even if you never realize you’ve been exposed to something toxic, your body will usually give warning signs. Symptoms like vomiting, difficulty breathing, sudden...
Black holes are the gravitational monsters of the Universe. They are so powerful that nothing, even light, can escape their grasp. One black hole is bad enough. But if...
Hippos are often portrayed as slow, peaceful animals spending their days submerged in rivers or resting in muddy water. But beneath that seemingly relaxed appearance is...
Imagine walking across a field and suddenly seeing an animal taller than a building, stretching farther than a basketball court. It sounds impossible, but creatures of...
Forget a doomsday asteroid or melting permafrost. It’s the freezing of Earth’s core that will end the world in today’s episode. Or would it? Because maybe, just...
The weather outside is frightful, but the fire is so delightful… …So why not crawl up beside it and go to sleep until the seasons change? That’s what...

