The world has approximately 7.7 billion people on it… until now. Half of the world’s population has been snapped out of existence. Instantly.If you happened...
In five billion years, we’re gonna have a hefty problem on our hands. Well, only if we’re still living on Earth at this point. Our Sun will be on the brink...
Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater...
What would happen if you took the most energetic light source in the Universe and smashed it into a massive gravitational monster? Well, you might reverse the flow of...
You think you’re watching TikTok, but in reality, it’s watching you. Yeah, those cute, fun little videos come at a high price. Your privacy. But now this app...
What if all the coral reefs died out? What if we lost all of our coral reefs overnight? Ocean diving would become less impressive, that's for sure. But what about the...
Things are getting hotter and hotter here on Earth, and global warming has everyone panicking. But let us try a wild idea: what if we took every drop of Earth’s water...
At first glance, it looks like something straight out of a horror movie. Pale, translucent, and equipped with eerie glowing eyes, the ghost shark is one of the strangest...
The world gets 80% of its energy from fossil fuels. But based on our current levels of consumption, we could run out of oil and gas in the next 50 years. And in 100...
An unexpected guest has made its way into our Solar System. It’s an interstellar object, an ISO. And it’s tumbling through space in a way that can’t be explained by...
The ocean is home to some of the most extraordinary creatures on the planet. From tiny deep sea hunters to massive gentle giants, its waters hide animals that are both...
Scroll down to watch our video. The Moon’s surface is made up of long-dead volcanoes and impact craters from asteroids. But have you ever wondered what might be...
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...
Scroll down for the quiz! There is an invisible force protecting us, keeping our atmosphere in place. Without it, life on Earth would be over very quickly. I’ll...
Life on Earth is far more resilient than it first appears. From scorching deserts to freezing oceans, and even places touched by radiation or near total isolation...
What if we told you that within the next 100 years, humans could merge with AI, control the weather, and even bring extinct species back to life? From space exploration...
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...
How cool would it be to see a real life T-Rex? If only that one fatal asteroid never hit Earth.
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...
It’s January 2027. No warning sirens sound across America or Europe. No emergency alert flashes across your phone. By the time the world realizes how serious things have...
