Did you know that some of the hottest countries in the world have outdoor ventilation? Qatar gets temperatures as hot as 50 °C (122 °F). But luckily for them...
About 50 billion rogue planets are roaming the Milky Way with no host star to hold on to, some of them three times bigger than the Earth. They don’t give off any...
Sulfur hexafluoride, now that’s a mouthful. It sure is! It’s more commonly known as SF6 or deep voice gas because, well, it makes your voice deeper! But...
What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in our galaxy? And what if this faraway planet...
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...
While it might be nice to avoid any dangerous confrontations on your wilderness walks, life without wildlife would be pretty boring. If we didn’t have animals...
Would you take your next vacation to this slimy beach? Well, what if most of our beaches were starting to look like this, because our oceans were quickly being taken...
Scientists may have identified an exoplanet with the potential to support life, located 120 light-years from Earth. The planet, known as K2-18b, is classified as a Super...
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...
[dx_custom_adunit mobile_id=”RTK_v1lP”] Stars with a much larger mass than our Sun burn out after just a few million years; in a gigantic explosion known as...
A huge gas giant suddenly appears in the sky. You look up in wonder. It’s beautiful. The second Saturn replaces our Moon in its orbit, Earth would just as suddenly...
In the center of our galaxy, the Milky Way, there is a supermassive black hole feeding on nearby stars. It’s called Sagittarius A*. And if a giant gravitational...
The miracle of life. A 40-week process where you developed from a single cell to fully formed human baby. All within in your mother’s womb. Now, imagine you were...
Buckle up. We’re going to take the orbit of this rock and kick it into high gear. Behold the Moon breaking its planetary speed limit. How would this event flood...
What does wealth look like to you? Is it a hundred dollars? A thousand dollars? A million dollars? We can always go higher. But how much is too much? In...
A former KGB agent, Vladimir Putin, likes to project what he considers to be a masculine image. Reports state his obsession with returning Russia to the former glory...
The biggest planet in the Solar System has gone rogue. And now it’s heading straight toward Earth. You have 30 days till this gas giant wipes us all out. What speeds...
Something incredibly strange is unfolding in our cosmic neighborhood, a powerful and unexplained gravitational force is pulling Jupiter, the largest planet in our Solar...
Within the vastness of the Universe, humanity is not that big of a deal. We’re not here because we’re meant to be here, we’re just… here. If...
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...
