Swipe Down for Full Video Story Humans are perfectly adapted for life on land, but what if evolution had pushed us back into the oceans instead? Over millions of years...
What if all the stars disappeared tomorrow, together with all the planets, solar systems and galaxies? What would be left of the Universe if it suddenly collapsed...
Spanning more than 66 million years, the Cenozoic Era shaped the world we live in today. From the rise of mammals to the emergence of modern humans, this era tells a...
Swipe Down for Full Video Story Even if you were not 1.5 billion kilometers (900 million miles) from Earth, building a new community would still be a major challenge...
Let me take you on a wild ride to the very edges of our Universe. But it won’t be as simple as traveling through space. Because the edges that we’re talking...
The Big One. Those three words make locals along the West Coast of North America shudder with fear. This area is plagued by earthquakes. But hey, at least they are ready...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Ready to have your mind blown? The Earth does not orbit the Sun… Technically speaking. Everything in space, Sun...
Imagine striking a match and having everything around you catch on fire, even if you were standing in a wet forest. And while that’s happening, imagine being...
There’s a deadly 40,000 km (29,400 mi)-long zone that passes through 15 countries. This area is dotted with volcanoes, giving it the name The Ring of Fire. And...
Scientists have discovered many planets similar to Earth beyond our solar system. These exoplanets can be up to 10 times larger than Earth, which might be ideal for our...
Imagine an enormous football stranded in the Solar System. I mean, the Earth shaped like one. What could cause our planet to change its shape so drastically? And what...
Absolute zero is the lowest possible temperature in the Universe. Nothing gets colder than that. So if the entire Earth suddenly cooled down to the most frigid...
Every year, about half a dozen hurricanes reach the United States. With effects ranging from heavy winds and some flooding to the complete decimation of communities...
Get ready for a subaquatic smackdown! It’s Megalodon VS Mosasaurus. One underwater arena. Two apex predators enter. One leaves. Both of these deep-sea divas reigned...
Could we all just be a part of our planet’s life-support system? Even from space, you can see that the planet Earth is full of life. When you take a closer look...
How long would something like this take? Why would this change the weather? And how hot would Earth get? If you think something like this is impossible because we...
Meet comet 3I/Atlas. A collision with this rock would release the same kind of energy that a certain other asteroid did 66 million years ago, ending the reign of the...
In 1998, a gentleman by the name of John Titor arrived from the future, or so he said. In his timeline, as he claimed, General Electric had managed to invent time travel...
Today on What If, we’re taking Jupiter’s deadly gases and unleashing them on Earth. Where could you be safe from these toxic winds? How would you breathe...
A gas cloud located 500 light years away from our solar system is about to become a planet. This process usually takes a few hundred million years, but what if we made...
