Radiation is all around us. If you’ve been on a plane or had an X-ray at the dentist, you’ve been exposed to tiny amounts of radiation. The radiation you’d receive...
You start your day hearing wild news. Jupiter has just swallowed Saturn. And it doesn’t stop there. Jupiter is on its way to swallow every planet in the Solar...
A blazing ball of fire lies deep underground. It’s Earth’s core. This colossal sphere of molten iron far beneath your feet is what made your life on Earth...
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...
Imagine shrinking Earth to the size of a small ball to reveal just how vast the Universe is. If it were 12 centimeters wide, Jupiter would stretch over a meter across...
[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...
Dark, mysterious and consuming everything around them, black holes will rip apart anything that passes their event horizons. But could there be more? What would happen...
Scientists theorize that many millions of years ago, Mars had rings, just like Saturn. And it looks like the red planet could be due for a new set of rings in the future...
They sent humans to walk on the Moon, flew by every single planet in our Solar System, delivered the first residents to the International Space Station… What else could...
Visitors from beyond the stars have arrived. What secrets could our intergalactic friends share? What wonders could these space chums unveil? They DO NOT come in peace...
Well, 25% of Europe’s primary energy is generated from gas. In Germany, for example, while a significant part of our gas is used to heat our homes, the largest...
If you were going for a refreshing swim, the last thing you’d expect is to suffocate from toxic gases. But when it comes to Lake Kivu, this is one dangerous body of...
[dx_custom_adunit mobile_id=”RTK_v1lP”] 55% of the world’s population live in cities. By 2050, that’ll be two thirds of the world’s...
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...
Do you ever feel like you’re being watched? Not by a creepy stalker, but by aliens. Yup, it might be happening. Just like we watch animals at the zoo, aliens may...
Deep beneath the Earth lies a mysterious and powerful force. A wellspring of nuclear energy which could one day rip us apart. Many scientists have found clues that...
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...
Moving is never easy. The packing and unpacking, having to start fresh and make new friends, all this can be challenging. Let’s face it, whether it’s a nasty...
As Earth’s population multiplies each year, we’re quickly running out of resources to feed the planet. Before long, we’re going to need more space to...
If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds would take things to an entirely different level...

