Your great aunt left you the house of your dreams, or so you thought. Now, as you listen to the sounds of scratching on the walls, you realize this is the house of your...
Death and the possibility of an afterlife have fascinated artists, philosophers, and scientists throughout history. Fear, hope, dread… these are all things we...
World War II produced countless brutal battles, but few are surrounded by as much mystery and horror as the events on Ramree Island in 1945. At the time, roughly 1,000...
1. Saturn is the only ringed planet in the Solar System Many people think Saturn is the only planet with rings, but that is not true. Jupiter, Uranus, and Neptune also...
The Sun is the engine of life on Earth. It provides heat, light, and the energy that drives every ecosystem on the planet. Without it, our world would instantly become...
From crushing pressures to oceans of liquid metal, every planet in our solar system hides something extraordinary beneath its surface. Scientists can’t physically reach...
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...
While it might be nice to avoid any dangerous confrontations on your wilderness walks, life without wildlife would be pretty boring. If we didn’t have animals...
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...
Beneath the Earth’s surface lies the core, a scorching sphere of iron surrounded by a layer of molten metal. Temperatures at the core reach approximately 6,000°C...
You wouldn’t notice it at first. But every second, the air around you is thinning, just a little. Within 30 seconds, you’d be gasping. Engines would fail, hospitals...
When you think of dinosaurs, images of giant, scaly reptiles like the Tyrannosaurus Rex probably come to mind. Movies, textbooks, and popular culture have shaped our...
The Sun produces more energy in a single second than humanity has used throughout its entire history. Every day, it releases an unimaginable amount of power, but most of...
Imagine spending years without seeing the sky or hearing another human voice. Your world is reduced to four concrete walls, a steel door, and silence so intense it...
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...
Imagine stepping aboard a spaceship capable of traveling faster than light. Instead of spending months reaching Mars or thousands of years crossing the stars, distant...
When people think about the deadliest animals in Africa, they usually imagine lions chasing their prey, crocodiles hiding beneath the water, or venomous snakes waiting...
When most people imagine dinosaurs, they picture giant reptiles covered in thick scales, with rough skin similar to modern lizards or crocodiles. But an extraordinary...
Imagine you had to experience an apocalypse every day. Volcanic eruptions, tsunamis, asteroid showers. Every day would be a struggle for survival. That’s because...
A huge gas giant suddenly appears in the sky. You look up in wonder. It’s beautiful. The second Saturn replaces our Moon in its orbit, Earth would just as suddenly...
