If you could, would you live on the Moon? Not as one of the courageous early settlers, but as a citizen of a fully-functioning Moon city. What would they be built out of...
On average, over 8000 people die each year in the U.S. because they can’t get an organ transplant. What if we could actually rebuild our failing organs? That...
Swipe down for full video story! Mosquitoes are the deadliest animals on Earth, responsible for nearly one million human deaths each year. They transmit diseases such as...
2020 has been one of the worst years in human history. It’s been strange, confusing, and often terrifying. But what if when the clock strikes midnight on December...
At first thought, volcanoes might seem like the perfect natural disposal system. They are incredibly hot, appear to swallow anything in their path, and seem limitless in...
Since its discovery in 1610 by Galileo, the rings of Saturn have enchanted us for centuries. Remarkably, we’ve visited Saturn before. Stunning photographs taken...
“Below the thunders of the upper deep, Far, far beneath in the abysmal sea, his ancient, dreamless, uninvaded sleep The Kraken sleepeth” That’s right. It’s...
Get your bone flute and gather around the fire. Today on What If, we’re taking you back to the time of woolly mammoths and saber-toothed cats. That’s right...
Life on Mars might be like this. You’d live in giant glass domes, and grow small portions of food inside. And if you happen to go outside, it would be in your big...
Jupiter is old. Like 4.5 billion years old. It started as a swirling disk of gas and dust that formed into a pretty big planetary core. With time, Jupiter’s core...
Do you long for an elegant weapon from a more civilized age? Something less clumsy and random. As you hone your sensitivity to the Force, you may wonder. What if...
If you traveled to the deepest points of Earth, what would you find? Lost cities, mythical sea monsters, rivers of gold? Probably not. But there is still a lot to...
Tyrannosaurus Rex. King of the tyrant lizards. It’s 6 meters tall (20 feet), 12 meters (40 feet) long, and it weighs upward of seven tons. You can hide from it...
In the time it would take you to order an extra larger everything pizza and have it delivered to your front door you could theoretically jump through that tunnel...
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...
Technically speaking, this marine reptile wasn’t a dinosaur, although it sure swam the Earth alongside many of them. Styxosaurus lived 70 to 85 million years ago, in the...
It’s the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand that created humanity wasn’t...
The Amazon rainforest stretches for millions of kilometers, hiding ancient tribes, animals and maybe something else. What if under this mysterious canopy lies an...
Hundreds of meters underground. Large enough to house tens to hundreds of thousands of people. And walls strong enough to withstand the force of a nuclear blast. These...
What if I told you that every time you’re asleep in your bed at night, your private thoughts might be compromised? What if, when you’re dreaming about all your hopes...

