If you’ve ever given your cat a toy filled with catnip, you’ve probably seen the transformation happen within seconds. One moment they’re calm and...
High above the ground in China sits a mountain trail that looks more like a scene from a survival movie than a hiking path. To experience one of the most breathtaking...
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...
The numbers are hard to ignore. According to United Nations assessments, the world has roughly a decade to make dramatic cuts in greenhouse gas emissions if it hopes to...
See that strip of stars splashed across the night sky? That’s our home galaxy, the Milky Way. You can see it from Earth because we live on its very outskirts, far...
Since Russia’s invasion of Ukraine, one question has lingered in the minds of millions around the world. What would happen if Russian President Vladimir Putin...
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...
A century of history flashes before your eyes. Not the past, but the future. And now you know how life would unfold over the next 100 years. What changes would happen to...
The year is 2126. Looking out your window, you watch Earth hanging silently above the lunar horizon. What was once a breathtaking image seen only by astronauts has...
Put a lion and this animal side by side and the comparison looks absurd. One weighs a couple of hundred kilograms and dominates every documentary ever filmed in Africa...
For decades, the relationship between the United States and North Korea has been filled with threats, military tensions, and moments of uncertainty. But what would...
Don’t Miss the Full Video Story Below What if the past was not really gone forever? Creatures like the saber toothed tiger, the woolly mammoth, and the dodo bird once...
Imagine scientists discovering that Earth has only a decade left before it becomes completely uninhabitable. Suddenly, humanity would have an enormous problem: how do...
The immunization battle against COVID-19 continues. This time, your pet’s life is at stake. Any animal’s life, for that matter. And even your life could be...
Imagine that when slavery finally ended in the United States, formerly enslaved Black Americans were offered something more than freedom. They were given the opportunity...
Ghost stories have fascinated people for thousands of years. Strange figures in dark hallways, mysterious footsteps, and the unsettling feeling that someone is standing...
People have always believed all kinds of very strange things about the world. In the absence of modern science and medicine, ideas which now seem entirely bizarre could...
Hang on because we’re about to screech to a halt. That’s right. The Earth is going to stop spinning for five seconds. How much damage would this sudden stoppage cause...
Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according to scientists, we may be closer than ever...
Evolution does not have a conscience. It does not ask whether something should exist. It only asks whether it works. And sometimes, what works is horrifying. Over...

