The Kardashev Scale, first proposed by Russian astronomer Nikolai Kardashev, measures the technological advancement of civilizations by the amount of energy they can...
Forget a doomsday asteroid or melting permafrost. It’s the freezing of Earth’s core that will end the world in today’s episode. Or would it? Because maybe, just...
Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But...
A mysterious interstellar object is on a collision course with Earth. And scientists don’t know what it is. What could this new astrophysical object be? Where did it...
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...
The last time the world witnessed a total solar eclipse was in 2017, and its presence delighted enthusiastic sky watchers. But what if, instead of a rare phenomena, a...
Avatar’s Pandora is the wildest, most beautiful and most deadly place in the galaxy. I mean, who wouldn’t want to live here? But how could the air kill you...
Did you know that you ladies spend about 2,300 days of your life menstruating? That amounts to about 10,400 tampons or pads, over 5,000 pills for your cramps, and about...
Tyrannosaurus Rex. King of the tyrant lizards. It’s 6 meters tall (20 feet), 12 meters (40 feet) long, and it weighs upward of seven tons. You can hide from it...
A dark, mysterious object has appeared at the outer edges of our Solar System. It looks like the remnants of a dying star. But it behaves like a black hole. Your mission...
What if I told you there was a way for you to know what lies ahead for you? Well, science could just have a way to predict your future. And it might become a reality...
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...
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...
[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...
This galactic collision might be more impactful than you think.
Scroll to the bottom to watch the video. They’re not the biggest falls on Earth, not by a long shot. But they’re certainly among the most famous. Niagara...
When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a...
It’s brain vs. brawns in the ultimate dinosaur showdown. In one corner, we have the giganotosaurus and in the other, the troodon. Although they lived in two...
Obviously, we can't just pack our stuff and move there today. But what if we terraformed it - reshaped it into an Earth's image?
[dx_custom_adunit mobile_id=”RTK_v1lP”] You’ve seen it in the movies and read about it in books, but now the idea of creating artificial life in a...

