Millions of years ago, early humans lived in a world where survival was anything but guaranteed. Wild predators, unpredictable weather, and deadly diseases constantly...
As much as we love to blow stuff up here on Earth, no bombs or pyrotechnics could compare to the incredible force of nature’s biggest explosion, the supernova. As...
That star at the center of our Solar System, that superhot ball of plasma that gives us heat and energy, and amazing complexions… well, it’s a ticking time...
Why do solar panels look so different these days? And why have we started installing them on top of mountains, using them to pave our roads, and putting them in the...
Imagine if all the Earth’s oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And...
Today on What If, we’re taking Jupiter’s deadly gases and unleashing them on Earth. Where could you be safe from these toxic winds? How would you breathe...
If you were going for a refreshing swim, the last thing you’d expect is to suffocate from toxic gases. But when it comes to Lake Kivu, this is one dangerous body of...
As the nukes dropped on every major city around the globe, everyone sought shelter, but there was nowhere to hide. In an instant, civilization as we knew it was...
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...
What if, instead of Trump or Biden becoming the next U.S. President, there was a third-party candidate? And that candidate was Elon Musk? What if Elon Musk became the...
Scroll down to watch the video. Imagine if we could control earthquakes and tsunamis to generate power. Or maybe even terraform every planet in the solar system. These...
There are more than 2,000 satellites orbiting Earth right now. And there are about to be a lot more. But what does this mean? Endless entertainment. Non-stop...
We think of space as an icy void, where temperatures drop to hundreds of degrees below zero and astronauts need layers of thermal protection just to survive. But what if...
Jupiter is the king of moons. With 95 of them orbiting the gas giant, some are so large they rival planets in size. But what would it actually be like to live on one of...
What if in a stunning move, Russia, one of the largest energy producers on Earth, decided to cut itself off from the world? This heavily armed dictatorship has declared...
In six hours, you, your government, and 124 million other people across 14 states will be tested by the greatest disaster to ever hit the U.S. East Coast. A great wave...
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...
How would the world change if, all of a sudden, every biological man disappeared? Would the world become more peaceful? Why would you have to ration food? And why...
All over the world, people are treating bodies of water like they are giant garbage dumps. And experts say that continuing these practices will result in catastrophic...
Imagine waking up one morning to find our Sun replaced by a cosmic powerhouse far stranger than anything we have seen. From giants that could swallow planets whole to...
