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...
It’s the end of the world as you know it. Every human on Earth suddenly went extinct. And it’s time for nature to make its ultimate comeback. What would happen to...
The moon has been our friendly neighbour in the sky for billions of years. It has guided us home, kept us on time, protected us, propelled us into space and has even...
As Earth’s population multiplies each year, we’re quickly running out of resources to feed the planet. Before long, we’re going to need more space to...
[dx_custom_adunit mobile_id=”RTK_v1lP”] 55% of the world’s population live in cities. By 2050, that’ll be two thirds of the world’s...
Imagine looking up at the moon and seeing space dust floating around it. Maybe broken-off parts of the moon are raining down on Earth. You’d wonder what happened;...
12. THE SUN IS A GIANT BALL OF FIRE Did you know that the Sun isn’t really on fire? No. Our Sun isn’t a raging bonfire in the center of the Solar System...
We’ve talked about settling on the Moon, Mars and even Venus. But how about somewhere that’s cold, dark and smells like farts? Uranus. What would conditions be like on...
Scientists theorize that many millions of years ago, Mars had rings, just like Saturn. And it looks like the red planet could be due for a new set of rings in the future...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Humans have many friends in the animal kingdom, but when it comes to crowning a best friend, dogs are the consensus...
Mars didn’t always look like this. It may have once been covered in oceans. But what if we brought all the Martian water back and transformed the red planet into...
Scroll down to watch our video. Where would I be without you, Mr. Mittens? It’s not a meme; it’s a fact: We can’t live without cats. Do you know why...
I know what you’re thinking. This is… really weird. And also pretty funny. But instead of this just being a silly internet video, what if this were our...
Is alien life really out there? Humanity has wondered about it for decades, and according to scientists, this might finally be a reality. Astronomers have discovered...
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...
How much do you know about black holes? What would happen if you fell into one? Say one day you were exploring space looking for a new planet for humans to inhabit, but...
Elon Musk says he wants to send one million people to Mars by the year 2050. The SpaceX CEO has become famous for making huge promises about colonizing the red planet...
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...
In the beginning, there was nothing. Then bang. Our Universe emerged in an explosion of light and energy. Or did it? Let’s shed some light on this. So, how fast is...
A black hole is on a collision course with our Sun. And there’s nothing left for you to do except sit back and watch the destruction of our entire Solar System. How...
