Imagine looking into the mirror and seeing a completely different version of humanity, one with huge eyes, advanced technology wired into the brain, and even the ability...
They wallow in filth and are the primary cause of childhood asthma. They aren’t going away anytime soon, they have been pests for about four million years, and...
As the largest animal to roam the Earth, you’d think such an impressive presence would be almost invincible. How did this titan of a creature finally meet its...
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...
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 coral reefs died out? What if we lost all of our coral reefs overnight? Ocean diving would become less impressive, that's for sure. But what about the...
What if humanity grew to be so technologically advanced that we were able to leave our Solar System and spread across interstellar space? Would we hop from one exoplanet...
On the morning of March 20, 1995, millions of commuters packed into Tokyo’s subway system just as they did every weekday. Trains arrived on schedule. Office...
Are you religious? If you are, a huge part of your life is probably shaped by your beliefs and religious community. If you’re not, you might stare with bewilderment at...
Billions of years ago, another planet smashed into Earth. An event of this epicness could have created our Moon. It also could have brought alien life to our planet...
Imagine landing on a planet where the surface looks frozen but burns hotter than your oven. Welcome to Gliese 436b, one of the strangest known planets in the universe...
At any moment of any day, the odds are that someone around the world is having an orgasm. We don’t really like to talk about them, but they’re an integral...
With so many amazing things happening in the world today, what could possibly go wrong? Well… A giant asteroid is barrelling on a collision course with Earth, and...
This is the Universe. And this little dot here is the Earth. And this is a Big Bounce coming up, and it’s about to squash our planet. Yikes. How long would we have...
Ever had a freshly cooked steak, delivered straight from the International Space Station? Let me tell you — it’s not going to be what you might expect. You must be...
In 2010 an astronaut on the ISS observed a bizarre phenomenon. When he glanced out the window, he saw the Moon looked flattened when it appeared in the thickest part of...
Settling on the Moon or Mars may be all the buzz. But how about we all move to an icy dwarf planet in the middle of the Solar System? To Ceres. What would make this a...
We might not be alone in the Universe. Scientists from all over the world have their eyes and ears wide open trying to detect signals of life beyond our planet. But...
Scroll down for the quiz! There is an invisible force protecting us, keeping our atmosphere in place. Without it, life on Earth would be over very quickly. I’ll...
Falling into a black hole may sound like something from a science fiction movie, but it is a very real phenomenon studied by physicists for decades. Black holes are...
