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...
Scroll down to watch our video. Where would I be without you, Mr. Mittens? It’s not a meme; it’s a fact: We can’t live without cats. Do you know why...
Swipe down for full video story! Mosquitoes are the deadliest animals on Earth, responsible for nearly one million human deaths each year. They transmit diseases such as...
You look outside and see something terrifying. A massive tornado is moving toward you, and you know you need to find shelter immediately. Then, just when you think...
Most people think of radio as a source of music, news, sports, or talk shows. But hidden among ordinary broadcasts is a mystery that has fascinated listeners, amateur...
Wouldn’t it be great to have a truly jaw-dropping view? Like windows looking directly into space? Well, it’s time to build your very own cosmic skyscraper. What would it...
Nuclear weapons are the most powerful and frightening tools ever created by humanity. With over twelve thousand warheads spread across the globe, these devices hold...
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...
Death and the possibility of an afterlife have fascinated artists, philosophers, and scientists throughout history. Fear, hope, dread… these are all things we...
Nearly 500 years before Christopher Columbus sailed across the Atlantic, another group of fearless explorers had already reached North America. At the very edge of the...
Ever wonder what it would feel like to step into an oven? Welcome to Death Valley, California. It’s so hot you can barely breathe. This national park that stretches...
Prepare yourself for a dive into some of the deadliest environments on Earth. From scalding waters and venomous creatures to freezing chemicals and molten rock, each...
As our biggest planet, Jupiter’s immense presence helps to hold our solar system together. Its massive size and gravitational pull give it a dense atmosphere, a...
Volcanic eruptions can be devastating. So what if we took extreme actions to prevent them? How could we drill into a volcano? What would be the benefits of doing this...
A gas cloud located 500 light years away from our solar system is about to become a planet. This process usually takes a few hundred million years, but what if we made...
In January 2016, 22 year old American college student Otto Warmbier boarded a tour flight out of North Korea expecting to return home after a short New Year’s...
It’s the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand that created humanity wasn’t...
Humanity has long imagined leaving Earth and establishing a second home among the stars. The idea of a backup planet is no longer confined to science fiction, especially...
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...
In a matter of days, a nearby volcano will erupt, spewing debris and lava, and decimating your city. You know that fighting fire with fire usually makes things worse...
