So, is our world just an illusion? Why do some physicists believe that physical matter isn’t real? What scientific experiments have changed our view of reality...
Deep beneath your feet is a subterranean melting pot. A fiery inferno ready to boil over at any moment. Anywhere or anytime. Imagine that today is the day the ground...
Earth has gone through at least five major ice ages in its history. And you better start adapting now. Because another ice age is about to begin. Hypothetically. How...
The ground around the Empire State Building appears to be sinking. This historic landmark is about to get lost in a giant pit. And you will be coming down with it. If a...
There’s a giant, peanut-shaped object orbiting the Sun, and it’s name is Halley’s comet. Like all comets, it’s a cosmic mashup of frozen ice, gases, and dust...
A small but incredibly fast unwanted guest is about to swing past Earth at the speed of light. Yeah, this is the tiniest black hole in the Universe. But despite its...
Let’s face it. There are A LOT of us, and it’s getting more than a little crowded. Right now, there are over 7.7 billion people on Earth, and the United Nations predicts...
With every rocket we launch into the Earth’s orbit, we’re trapping ourselves on our own planet. Wait, how could sending rockets into space put an end to...
Things are getting hotter and hotter here on Earth, and global warming has everyone panicking. But let us try a wild idea: what if we took every drop of Earth’s water...
What if we told you that within the next 100 years, humans could merge with AI, control the weather, and even bring extinct species back to life? From space exploration...
Something incredibly strange is unfolding in our cosmic neighborhood, a powerful and unexplained gravitational force is pulling Jupiter, the largest planet in our Solar...
Some say, “youth is wasted on the young.” So what if it wasn’t? What if you didn’t have to dread aging? Your eyesight failing? Your joints aching...
How about we rip the United States and Mexico apart from each other, geographically speaking? It would open up new trade routes that would make a ton of money for both...
12. THE SUN IS A GIANT BALL OF FIRE Did you know that the Sun isn’t really on fire? No. Our Sun isn’t a raging bonfire in the center of the Solar System...
What advice would you give your younger self if you could travel back in time?
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...
This is not some harmless hair. It’s volcanic glass and it could turn your life into an itchy, blistering existence. Uh oh. Looks like today’s forecast is volcanic...
The world has ended. The sky has fallen. Doomsday has come and gone. So now what? Let’s start rebuilding civilization, of course. How would you begin to come back from...
You’ve seen politics and national borders change all the time, but have you ever witnessed a continent literally breaking apart? Well, it’s possible...
What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in our galaxy? And what if this faraway planet...
