Imagine being able to sunbathe all day long. But instead of getting a nice tan to show off… You turn green! And get lazier. Don’t worry. It’s not the...
Earth can be full of extremes. But today, there is only one extreme. Non-stop earthquakes that last an entire year. What would it be like to live under such shaky...
What are the ingredients for an industrial revolution? It’s simple! Take some new energy sources, add a dash of cutting-edge communications technology, and...
They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara Falls attracts millions of visitors from...
[dx_custom_adunit mobile_id=”RTK_v1lP”] What if your reality was nothing more than a complex computer simulation? And if you were just a program on someone...
You thought forest fires were bad? Wait till you hear about ocean fires. Yes, that’s right. The sea bursting into a fiery hellscape. What if every ocean on Earth...
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...
These creatures dominated their environments with unique weapons, powerful bodies, and deadly instincts. Here are six prehistoric creatures that could easily compete...
TOI 849b is one of the largest rocky planets ever discovered. It’s a massive, desolate world with zero atmosphere, orbiting incredibly close to its star. Temperatures...
Across the globe, there are islands that look beautiful from a distance but hide extreme dangers, from deadly wildlife to natural disasters and strict access...
When we imagine the far future, our thoughts often leap to space travel, artificial intelligence, and life beyond our planet. But what if we stayed on Earth and fast...
Russia already takes up one-eighth of all of the inhabited land on the planet. And now it has its eyes on one of its European neighbors, Ukraine. Historically, Ukraine...
Welcome to Earth City. Yeah, you heard that right. You’re not going on a globetrotting tour to see all the planet’s major cities. You’re already there. Today, the entire...
Would you dare to hit the open seas and experience some of the worst ship disasters of all time? From explosions to icebergs and massive storms to the infamous...
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...
Hot sizzling salt beneath your feet. Sulfuric acid fumes burn your lungs with every breath you take. And if you don’t watch your step, you could fall on molten hot...
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...
In the center of our galaxy, the Milky Way, there is a supermassive black hole feeding on nearby stars. It’s called Sagittarius A*. And if a giant gravitational...
It’s a small world after all, because today, we’re shrinking Earth to the size of Pluto. But if our planet was this tiny, how would it alter the atmosphere...
This is the Mariana Trench, the deepest place on Earth. It stretches 11km (7 mi) down below sea level. But what if we made it even deeper? Get a giant drill because...

