The Arctic might soon become completely ice-free. And when all of the ice is gone, the world won’t be the same. But what if I told you there was a way to prevent...
Human history has been full of battles and wars, some big and some small. But if World War 3 were to happen, it might be humanity’s biggest battle yet. Advanced...
This star is about to transform into a black hole. And we’re about to travel inside it to see what’s on the other side. The only problem is that we’ll...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Most people have never seen these tiny creatures before, but they may be the most vital organisms on Earth. Say hello...
When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a...
In 2020, when Kim Jong-Un disappeared for three weeks, the world went into full speculation mode. Was he ill? Dead? On a secret mission to binge-watch K-dramas? South...
This is the Mullaperiyar Dam. It has been around since well before your grandparents were born. And it could fail at any moment now. What could cause the dam to collapse...
Imagine looking up at Jupiter, the largest planet in our Solar System, and deciding to jump straight into it. It sounds like the ultimate space adventure, but the...
Yet over time, they disappeared and evolved into the smaller versions we know and love today. But what if we found a way to bring them back? Why did giant mushrooms go...
Deep beneath your feet is a subterranean melting pot. A fiery inferno ready to boil over at any moment. Anywhere or anytime. Imagine that today is the day the ground...
Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...
Are you one of those people who hate these little crawling things? Or maybe these ones with stingers creep you out more?
Billions of years in the future, the Sun will begin to die. And this is what our planet would look like. But what if we turn things up a notch or two right now...
We’ve seen the strikes. We’ve seen the headlines. But everyone is missing the real endgame here. If Operation Epic Fury turns into a full-scale land war, the winner...
Some 13.8 billion years ago, a very hot, small and dense singularity expanded into what we now call the Universe. It hasn't stopped growing since. But what if it did?
Grab your weapons, find your friends and get to your base. It’s zombie-hunting time! That thing you’ve been daydreaming about for years is finally happening...
Scroll to the bottom to watch the video. They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara...
First of all, yes, it’s pronounced Enceladus , not enchiladas. Enceladus is Saturn’s sixth largest moon, but it would be better described as a winter...
Serving and protecting the United States is a big responsibility. But its seven services have things covered, even outer space. Tonight it’s sea versus sky as we...
In 2021, the U.S. government released a report of alien sightings over the past 20 years. This report featured 144 sightings, mostly witnessed by military aviators. Only...
