There are more than 2,000 satellites orbiting Earth right now. And there are about to be a lot more. But what does this mean? Endless entertainment. Non-stop...
If gravity were suddenly gone forever we’d all realize pretty quickly how much we’re taking this universal force for granted.
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...
What do saber-toothed tigers, woolly mammoths and the dodo all have in common? They’re all extinct, and some theorize humans played a large part in this. What if...
As much as we love to blow stuff up here on Earth, no bombs or pyrotechnics could compare to the incredible force of nature’s biggest explosion, the supernova. As...
Maybe it was a little sad to say goodbye to your physical body, but, at least you still have your consciousness, your mind, and your memories stored safely in the cloud...
The Earth is a dying rock and time is running out. You only have 10 years to plan your escape. How could we evacuate as many people as possible? What resources would we...
Friction is what allows us to move…and to slow down. Friction is how we pick things up …and hold on to them. To be totally honest, there isn’t much we...
What if we are not alone? There are so many secrets that making contact with alien life could reveal. The only problem is, we have no way of getting in touch with them...
Did you know that you ladies spend about 2,300 days of your life menstruating? That amounts to about 10,400 tampons or pads, over 5,000 pills for your cramps, and about...
Whether you enjoy rock music, or pop, or if classical or jazz takes your fancy, we all love music. But what if we had never invented music? No, rhythms, no melodies...
Scroll to the bottom to watch the video. They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara...
Scroll down for the quiz! There is an invisible force protecting us, keeping our atmosphere in place. Without it, life on Earth would be over very quickly. I’ll...
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...
Do you find the dark unsettling? Have you ever watched the big game on your refrigerator? With all the conveniences of modern living available in your pocket, or at the...
When you think of threats from outer space, you might picture deadly solar flares, planet destroying asteroids, or even a hostile alien invasion. But scientists warn...
That’s no moon. It’s a space station. The enormous, planet-killing kind, designed for only one thing — to bring order to the galaxy. It’s Star...
Dinosaurs often steal the spotlight when it comes to terrifying prehistoric creatures, but they were far from the only fearsome beasts to roam the Earth. From enormous...
You pop out of the ocean and hear the faint yells of the lifeguard. The whole beach panics. Your turn around. Something lurks in the water. Before you can say...
There are 3.8 billion women on Earth. There were 3.9 billion men. But now, it’s just you…and your phone won’t stop ringing. Is this a fantasy? A...
