Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets in the Milky Way alone, don’t you...
Imagine for a moment that Earth suddenly shrank to the size of the Moon, while the Moon expanded to the size of Earth. How would life on our planet change? Could humans...
Quetzalcoatlus lived around 72 to 66 million years ago during the Late Cretaceous period, when it blocked out the sun with its 12 m (40 ft) wingspan. When it landed on...
We visit a lot of planets here on WHAT IF, but K2-141b is the most extreme one yet. Are you ready to jump on board this one-way space shuttle? If you’d rather stay...
We’ve seen the strikes. We’ve seen the headlines. But everyone is missing the real endgame here. If Operation Epic Fury turns into a full-scale land war, the winner...
They’re in your yard, on your walls, in your attic, and there’s probably one near you right now. The thought of these creepy crawlers might make you want to go on an...
[dx_custom_adunit mobile_id=”RTK_v1lP”] In today’s interconnected world, we’re constantly barraged by conflicting information on what we should...
At first, it’s very bright. But then, as your eyes adjust to the light, you start to piece together your surroundings. The moving blobs above you, you realize, are...
The megalodon, the big boss of our ancient oceans, the king of all sharks, killer of whales. If you’re a fan, you’ve already witnessed our megalodon vs. mosasaur episode...
You’ve seen politics and national borders change all the time, but have you ever witnessed a continent literally breaking apart? Well, it’s possible, and...
New geological models and updated hazard assessments from the U.S. Geological Survey and leading universities are once again raising concern across the American West...
Imagine a world where we didn’t need any lights, where we could detect diseases just by looking at someone, and literally see right through people’s...
[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...
Swipe Down for Full Video Story Could intelligent alien civilizations really exist somewhere beyond Earth? As advanced telescopes continue discovering new potentially...
An asteroid races towards Earth. In 6 months, the world as we know it will be obliterated. What do you do? Is there time to evacuate? What would it take? And where would...
Our sun seems like an unchanging companion in the sky. However stars follow a dramatic timeline of birth growth and eventual destruction. From its violent beginnings in...
Would this be good or bad news?
Buckle your seatbelts. We’re about to take a ride on the cosmic superhighway. What exactly are these celestial autobahns? How would they help us explore the furthest...
Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life...
Humanity has built some incredibly destructive weapons. There are still roughly 12,000 nuclear warheads on Earth today, capable of causing catastrophic damage to human...
