Some of the planets in our Solar System are gigantic. But what if they got even bigger? Let’s go up the planetary size chart and see what kind of chaos doubling the size...
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...
What if you could time-travel a hundred years from now. How would the planet look like? Would human beings still be in the picture? Only in the past year, our...
Today on What If, we’re going to build the highest bridge on planet Earth. Welcome to the Qinghai-Tibet Plateau, the “Roof of the World.”It’s home to the world’s...
What if all the Earth’s land became ocean, and all the oceans became land? And what if our mountains turned into deep trenches, while the trenches grew to the...
Tired of living on an overpopulated Earth? Why not move to the O’Neill Cylinder? An artificial state-of-the-art space habitat where we can control everything...
Since its discovery in 1610 by Galileo, the rings of Saturn have enchanted us for centuries. Remarkably, we’ve visited Saturn before. Stunning photographs taken...
The digital age is well and truly upon us. And in recent years, there’s no development more talked about than Bitcoin. Forget about dollars, pounds, and euros...
Can you imagine what the world would look like if it were run by children? We all know that our youngest generations are the future of humanity, but what would happen if...
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...
Some say life is a roller coaster. What if it was more like this? We don't notice the earth spinning now, so what would life be like if it spun a little faster? Would we...
What if we found the way to drain all the Earth’s oceans through some mysterious portal at the bottom of the Mariana Trench? How long would it take? Years...
Overnight, our planet has gone from a pale blue dot to a glistening white snowglobe. Stretches of Earth have become frozen wastelands that are completely inhospitable...
Family planning. It sounds sensible, but it’s extremely controversial. At least, in some countries. What if it wasn’t? What if the world recognized a...
Tim Cook of Apple, Sundar Pichai of Google, Elon Musk, Jeff Bezos, the President of the United States. When you think of the people controlling the world, these names...
Why are these crocodiles spending so much time on dry land? Is it because their watery homes are too polluted? Or is it because they’re scared of a bigger predator...
In 7.5 billion years, the Sun will expand and engulf our planet, destroying all life as we know it. Of course, a mass extinction on Earth could happen much sooner than...
The two biggest planets in our Solar System in one telescope view. And catastrophe is imminent. If Jupiter and Saturn suddenly were on a collision course, which of the...
Imagine if one day you looked up into the night sky, and saw Mars or Saturn where the Moon was supposed to be. That would sure turn our Earth into an alien world. And...
Under the pressure of crushing economic sanctions, Russia’s straining to play its own intimidation game. This time, they are threatening to take the International...
