Located in the United States, one of the world’s largest volcanoes is gearing up to explode. It’s known as the Yellowstone Volcano, and it’s not just...
Somewhere in the far reaches of space, a giant hunk of rock is hurtling our way, just biding its time before an extinction-level impact with Earth. Before you run into...
You’re lost in the jungle without any other humans around. You need to find a new family. Or your new family could find you. What would it be like to be raised by...
Billions of years from now, the Sun will become a red giant. And then, it will slowly die. That’s right. It’s the end of the Solar System, and this is your survival...
Imagine a world of endless possibilities. A world where every decision you make splits reality in half. And then the next decision splits it into another half. And then...
Scroll down to watch the video. Imagine the Mediterranean Sea is disappearing! Old shipwrecks are rearing their ugly heads as the water drains around them, and...
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...
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...
What if we found the way to drain all the Earth’s oceans through some mysterious portal at the bottom of the Mariana Trench? How long would it take? Years...
Falling into a black hole may sound like something from a science fiction movie, but it is a very real phenomenon studied by physicists for decades. Black holes are...
This is our Universe, an ever-expanding network of stars and galaxies. And this is your brain. Don’t they look eerily similar to one another? Why are they so alike...
Betelgeuse is one of the closest stars to Earth, at a distance of only 650 light-years away. This makes Betelgeuse a fan-favorite with professional and amateur...
What would really happen if you went into space without a suit?
This is the longest underwater pipe on Earth. It stretches to the bottom of the deepest place on the planet, where only a few people have ever visited. And we’re...
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, and...
This shiny metal is constantly in a liquid state. This is mercury. We normally see this metal in tiny quantities. But what would happen if we took thousands of liters...
The time for talk is over. Now the biggest countries on Earth are fighting for global supremacy. What would happen if the United States started World War III? Who would...
You’ve probably heard of wormholes from Thor, Interstellar, Star Trek, or if you’re really old school, Albert Einstein. In 1935, Albert Einstein and...
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...
As the world watches the war Russia brutally started in Ukraine, you wonder how these countries would be different if the dictator Vladimir Putin never took office. Who...
