What if all the coral reefs died out? What if we lost all of our coral reefs overnight? Ocean diving would become less impressive, that's for sure. But what about the...
With so many amazing things happening in the world today, what could possibly go wrong? Well… A giant asteroid is barrelling on a collision course with Earth, and...
410 kilometers (254 miles) above the Earth. That’s where the International Space Station floats. What if you happened to be all the way up here but suddenly fell...
Where did COVID-19 come from? Some think it originated in this Wuhan wet market. While others think it comes from bats. But could it be possible that COVID-19 was made...
China invading the U.S. is something that could turn the world on its head. Could the U.S. mobilize in time to respond? Would this be the start of World War III? The...
Hang on because we’re about to screech to a halt. That’s right. The Earth is going to stop spinning for five seconds. How much damage would this sudden stoppage cause...
A massive earthquake knocks you off your feet. There’s a blinding flash of white, and then you see a tsunami of lava rising on the horizon. A nuclear reaction has...
[dx_custom_adunit mobile_id=”RTK_v1lP”] If laws didn’t govern our world, would you still know the difference between right and wrong? If you...
The biggest planet in the Solar System has gone rogue. And now it’s heading straight toward Earth. You have 30 days till this gas giant wipes us all out. What speeds...
Intense rainfall. Winds of 120 km/h (75mph) or higher. Storm surge. These are the signs of a hurricane. During its reign of terror, a hurricane can release as much...
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...
Congratulations, you’ve taken the seven-month-long journey and have landed on Mars. And it turns out, you’re the first person. Better start getting the human...
Millions of years ago, the megalodon shark was one of the scariest creatures to ever lurk in our seas. And even before that, the mosasaurs reigned supreme, terrorizing...
Humans have explored the Moon, Mars, and of course, Earth. But what do we know about Jupiter? For the most part, this gas giant is a mystery. So what would happen if you...
Some 13.8 billion years ago, a very hot, small and dense singularity expanded into what we now call the Universe. It hasn't stopped growing since. But what if it did?
What’s the best place to put solar panels? Close to the Sun, of course. And in this scenario, we’re going to build the most efficient solar farm possible...
Did you know that you ladies spend about 2,300 days of your life menstruating? That amounts to about 10,400 tampons or pads, over 5,000 pills for your cramps, and about...
Almost 75% of the world’s tornadoes occur in the United States, which means that about 1,300 tornadoes hit the U.S. every year. Most of these tornadoes occur between...
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...
Every year, our planet makes one full trip around the Sun. And while that means we’re already moving at breakneck speeds, we’re about to ramp that speed up. Like, way up...
