The Solar System is home to a remarkable range of planets, from tiny rocky worlds to massive gas giants. But just how big are these planets really? To put it into...
If Earth had rings like Saturn our sunsets would be an incredible spectacle. It isn't farfetched as the Earth did have rings a very long time ago, the result of a...
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...
What do you like most about work? Early mornings? Coffee spills? Desk lunches? Back pain? Wrist Pain? Neck pain? Sore ears? Stay home and get paid. How does that sound...
On average, over 8000 people die each year in the U.S. because they can’t get an organ transplant. What if we could actually rebuild our failing organs? That...
From space, it would look like Earth had a giant pimple. Smack dab in the middle of Brazil. Back on the ground, you’d be astonished by the enormity of Olympus Mons. The...
What would happen if you flew into a wormhole? Would you ever hear back? Where would you end up? Back in time?Another galaxy? Here’s what would happen if a...
In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, paradoxically, the same star that could destroy life...
It’s one of the most dangerous and mysterious places on Earth. It’s home to dozens of sunken ships, plane crashes, and dead people. It’s known as the...
Instead of falling apart after a single crash, now we all have cars that are completely indestructible. Would there be fewer fatalities caused by car accidents? What...
Scroll down to watch the video. It’s the largest star that we’ve ever discovered: UY Scuti. And if it were to replace our Sun, it would change a lot more...
Some 5 billion years from now, the Sun will expand and become a red giant. And the Earth might be just in the way… If humans were still around then, would we leave...
Underneath Antarctica’s vast ice sheet lies one of the planet’s greatest mysteries. What would happen if every last piece of ice on the southern continent suddenly...
Humans have a knack for changing the environment. Often, these projects have effects we didn’t plan for. Sometimes, it’s disastrous. And other times, it gives us energy...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Where do you go to quench your thirst? The kitchen sink? The local bar? The mineral rich springs of Bergamo, Italy...
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...
It’s been 100 Earth years since you settled on Mars. You’ve been through pain, loneliness and a lot of hard work. And now Mars is the new promised land everyone...
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...
What if the Moon suddenly began getting closer to Earth? To the point where it was on a collision course with our planet? Would the Earth survive the crash?
This is the most powerful object in the Universe. The biggest spinning magnet to ever exist. It’s the cosmic equivalent of a great white shark. But it...

