Would you ever venture into the ocean if you knew this creature could be lurking beneath you? It’s twice the size of a T. rex, its jaws are big enough to crush...
Imagine a world where humanity has not only gained the ability to travel and to populate space but has progressed even further than that. Humanity can now control and...
Insects play a crucial role in maintaining ecosystems and supporting life on Earth. While some insects damage crops, cause irritation, or transmit diseases, the vast...
Flooding, devastation, and disease. What could all these awful things have in common? Rain. And lots of it. We’re not talking April showers here. So, imagine a...
“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...
The next step in space exploration isn’t generations away. It’s happening right now. And our destination? That mysterious, desolate world next door, Mars...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Twin siblings, twin peaks, twin cities, twin planets… Two earths, one solar system. How would that work? Where...
I hope you’ve packed some ice skates for your next trip out to sea because the oceans have completely frozen over. What conditions could cause this massive...
40 km (25 mi) off the coast of Brazil lies an island so dangerous it’s illegal to visit. But rules don’t apply to you. You’re a thrill-seeking...
When most people think of terrifying places, outer space often comes to mind. After all, it is a vacuum of extreme temperatures, high radiation, and deadly vacuum...
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...
Where do they come from? How do we get rid of them? And how much drama is a poltergeist going to cause me? OK, so exactly what is a poltergeist? Well, a poltergeist is a...
Returning for a second term in office, President Trump promised to crack down on illegal immigration using ICE – the U.S. Immigration and Customs Enforcement...
Forget the idea of a flat Earth and imagine instead an Earth shaped like a giant slice of pizza. At first glance, it might seem amusing and even delicious to picture...
If you’re watching this right now, you’ve probably used antibiotics at some point in your life. But did you really need to? The Centers for Disease...
At any moment of any day, the odds are that someone around the world is having an orgasm. We don’t really like to talk about them, but they’re an integral...
Obviously, we can't just pack our stuff and move there today. But what if we terraformed it - reshaped it into an Earth's image?
A mysterious interstellar object is on a collision course with Earth. And scientists don’t know what it is. What could this new astrophysical object be? Where did it...
The Amazon rainforest stretches for millions of kilometers, hiding ancient tribes, animals and maybe something else. What if under this mysterious canopy lies an...
Scroll down to watch the video. Deep beneath the thick layer of million-year-old ice, something is lurking quietly, waiting to rip through the rigid ice sheets. This...
