The Paleozoic Era represents one of the most transformative periods in Earth’s history, spanning approximately 289 million years from 541 to 252 million years ago...
Why do solar panels look so different these days? And why have we started installing them on top of mountains, using them to pave our roads, and putting them in the...
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...
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...
It’s the matchup you’ve been waiting for, the clash between some of the biggest titans that ever roamed the Earth. Today, we’re going back in time to...
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...
Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary neighborhood. Where would this planet...
Volcanos, the ultimate natural force of destruction. They’re unforgiving, uncompromising and unstoppable. About 1,500 volcanoes around the world are considered to be...
The Sun is Yellow If you’ve always thought our star was a bright yellow ball of fire, you were wrong. For starters, it’s not yellow. It’s green. Sort...
In an effort to fight climate change, the Sahara Desert could be going green… literally. Plans are being made to terraform the entire Sahara desert; changing it...
Scroll down to watch our video. It can instantly cause severe burns on your skin. It can even dissolve things like limestone and concrete. This is battery acid. Now...
What if everyone on the planet coordinated to perform the biggest “flush mob” in history? Pushing all the wastewater in the world down the drain, all at once...
Let’s face it. We’re hooked on the stuff. Most of us can’t even start our day without a nice cup of joe. According to the International Coffee Organization, over 1...
It’s about to get Old Testament here. What if the creepiest, crawliest, most catastrophic member of the Plagues of Egypt made an unexpected housecall? And decided your...
What if all the oceans disappeared from the Earth’s surface? What would a world with no high seas look like? What would happen to all the creatures that...
Is it a meteor shower? Space debris? No, it’s something much, much worse. Our nearest neighbor is a full Moon no more. The Moon exploded and splintered into...
These creatures dominated their environments with unique weapons, powerful bodies, and deadly instincts. Here are six prehistoric creatures that could easily compete...
Imagine standing in the middle of the Sahara Desert, surrounded by a blinding expanse of endless, sun-baked sand dunes. Now, imagine watching those barren dunes ripple...
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...
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...
