No one knows exactly what to expect if we encountered other forms of alien life. Would they talk like us? Look like us? Or would they be completely different? What if...
Scroll down to watch our video. This may look like a regular airport, but people believe that beneath it there is an underground city. And not just any underground city...
When we imagine the far future, our thoughts often leap to space travel, artificial intelligence, and life beyond our planet. But what if we stayed on Earth and fast...
What would happen if you took the most energetic light source in the Universe and smashed it into a massive gravitational monster? Well, you might reverse the flow of...
Imagine what it would be like to have miniature version of our Sun right here on Earth. Would this artificial star provide us with an infinite supply of clean energy...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Reports suggest that by the year 2030, 800 million jobs will be lost to automation. Will yours be one of them? We...
If only there were a simple trick to stop a massive volcano from spewing out lava. Like maybe plugging it up with good old concrete. A massive volcanic explosion sends...
Oxygen makes up only about 21 percent of the air we breathe, but it plays a much bigger role in holding life together and keeping our world intact. Imagine if, just for...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Bursts of solar flares from the Sun’s surface look spectacular, but they can pose a danger to us here on Earth...
Invisibility is no longer just a topic of fantasy or science fiction; several companies around the world have developed technologies to make it a reality. Some use a...
[dx_custom_adunit mobile_id=”RTK_v1lP”] If you could travel faster than the speed of light, where would you go? Mars? The nearest star system Alpha Centauri...
Black holes are one of the most devastating objects in space, sucking up everything around them. But there’s another space phenomenon that’s just as...
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...
Keep your friends close and your enemies closer. Wise words. But what if two of the world’s most powerful nations burned their friendship, and each other, to the...
When was the last time a bird pooped on you? Apparently, you have a better chance of winning the lottery than you do of getting pooped on by a bird, which is why some...
Wouldn’t it be great to have a truly jaw-dropping view? Like windows looking directly into space? Well, it’s time to build your very own cosmic skyscraper. What would it...
Something is very wrong with our Sun. It’s turned into a spinning lighthouse of death. What would make the Sun so much more deadly than usual? Would there be any way...
Imagine if you could take in all of human history in the blink of an eye. Well, from the first steps on the moon to the first steps out of the slime, that’s...
They are massive, and extremely dense. They rip apart anything and everything that gets close to them. Their gravity is so strong that even light can’t escape. We...
We visit a lot of planets here on WHAT IF, but K2-141b is the most extreme one yet. Are you ready to jump on board this one-way space shuttle? If you’d rather stay...

