Imagine hiking through a forest when you notice a large cat watching you from the shadows. At first, it looks like a modern tiger. Then it steps into the light...
For decades, computers have become faster, smaller, and more powerful. But even the world’s best supercomputers have limits. Some calculations would take them...
If only there were a simple trick to stop a massive volcano from spewing out lava. Like maybe plugging it up with good old concrete. A massive volcanic explosion sends...
Picture lying down to sleep on Pandora. There is no darkness. There never is. Alpha Centauri B hangs in the sky even at night, and some estimates suggest it could shine...
For centuries, humans have dreamed about finding a new home among the stars. Earth is the only planet we know that supports life, but with thousands of planets...
The air around you is so ordinary that you rarely think about it. Yet every breath, every sound you hear, every cloud in the sky, and every drop of liquid water depends...
Latin America is spread over both North and South America, with 19 sovereign states and one independent territory. Most of them considered developing nations. Many...
Deep beneath the surface of Mallorca, Spain, an experienced cave diver found himself facing a nightmare scenario. He was trapped hundreds of meters inside an underwater...
Climbing the world’s tallest mountains is a daring adventure. But you’re about to make an epic extraterrestrial trek on the biggest mountain in the entire Solar...
Scroll down to watch our video. Unless you’re an astronaut, you probably don’t spend a lot of time thinking about gravity. We all take gravity for granted...
On Christmas Day in 2007, while families around the world were celebrating the holidays, a terrifying event was unfolding at the San Francisco Zoo. Around 5 p.m., 17...
But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...
On June 23, 2018, twelve boys from a youth soccer team known as the Wild Boars and their assistant coach entered Thailand’s Tham Luang cave system after soccer practice...
As the CEO and founder of Amazon, the multibillion dollar online shopping company, Jeff Bezos is the richest person on the planet. With a current net worth of $270...
On Earth, rain is water. That is the only version any of us has ever known. Somewhere out there, rain is liquid iron falling through a 2,200 degree sky. Somewhere else...
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...
If you were to drill straight down into Mars, what would you find? Would the red planet reveal its true colors? Would you finally discover life on Mars? And how...
Ah, the planet Earth, our beautiful home. We’d like to believe it will be around forever, but what if it isn’t? Aliens, comets, weapons of mass destruction, black...
A massive asteroid just hit Earth, right in the middle of the Atlantic Ocean. Thanks to NASA’s new infrared telescope, we were able to detect it and prepare for the...
Imagine a world where you could move objects with your mind, cure cancer with microscopic machines, or even live to be 1,000 years old. The future of science is...
