Sixty five million years ago, a massive asteroid crashed into Earth and ended the age of the dinosaurs. But what if that never happened? What if dinosaurs had continued...
Attention, humans. Shapeshifting alien lizards have taken control of your world. They’ve maneuvered themselves into positions of power. And they could be anyone. Where...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Your alarm clock rings. Do you jump out of bed? Or hit the snooze button? Do you take cream? Sugar? Or both? We make...
The Earth may not be our home forever. Eventually, we may have to leave. What if instead of finding a potentially habitable exoplanet light-years away, we stayed in our...
What causes moonquakes? What would happen if half of our Moon drifted away? Has the Moon already split in half? As friendly neighbors in the sky, the Moon and Earth have...
It’s the most wonderful time of the year, until you get the bill. With prices skyrocketing for this festive fir, it makes you wonder if it’s worth it. So...
If the Universe is full of stars, why doesn’t it appear white? And if it did, what would that look like? Would all the black holes suddenly become visible? And if...
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...
When I say jump, you say how high. Let’s put this to the ultimate test by hopping around the Solar System. Literally. What differences in gravity would you experience...
You just fell into a pool with this thing. What is this? How would falling in here affect your health? And could you actually survive this? This is a spent nuclear fuel...
How would it feel to control objects with your mind? Or hear colors? Or maybe even live forever? Well, if you want to find out, all you have to do is become a cyborg...
The sound of trickling water might seem harmless, even peaceful. But in the polar regions, this sound is a sinister warning of an event that could swallow up the arctic...
When you look at the Earth from space, you don’t see the 241 countries and territories that we’ve divided ourselves into. You don’t see the boundaries...
Are you religious? If you are, a huge part of your life is probably shaped by your beliefs and religious community. If you’re not, you might stare with bewilderment at...
What if the Moon suddenly began getting closer to Earth? To the point where it was on a collision course with our planet? Would the Earth survive the crash?
Buildings are being destroyed, animals are dying, and trees are not able to grow. All because of rain? Wait, I thought we needed this stuff. Well, it’s not just...
Rise. and. shine! Get up and seize the day! You can do anything under the sun…when the sun powers everything. Your phone, your home, and all that’s in...
From space, it would look like Earth had a giant pimple. Smack dab in the middle of Brazil. Back on the ground, you’d be astonished by the enormity of Olympus Mons. The...
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...
Behind you, a colossal hurricane, moments away from making landfall. In front of you, a towering tornado, fast-tracking its way toward the opposing storm. And you...