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...
Imagine Earth covered in thick sheets of ice. And sea levels so low you could walk to a different continent. This is what our planet would look like during an ice age...
Are all of your memories real? Did everything happen the way you remember it? What if somebody filled your brain with memories that aren’t yours? Would you be able...
You’re in the Ghostbusters universe. With a quick stomp, demons are as good as gone. So how would life change if you could bust ghosts in real life? Would you need...
[dx_custom_adunit mobile_id=”RTK_v1lP”] The Earth sits comfortably in its orbit tilted on its axis at 23 degrees. Knock the planet over – and it...
If time travel is possible, why haven’t we met a single time traveler yet? And if we did meet one, how would we know they weren’t faking it? What would their...
Millions of years ago, early humans lived in a world where survival was anything but guaranteed. Wild predators, unpredictable weather, and deadly diseases constantly...
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...
It starts with a simple cough, and before you know it, millions of people are infected. And it won’t stop there. It could keep growing and growing until billions...
The tallest man to ever walk the Earth was 2.72 m (8’9″) tall, and he quickly became an international sensation. So can you imagine what life would be like...
Things are getting hotter and hotter here on Earth, and global warming has everyone panicking. But let us try a wild idea: what if we took every drop of Earth’s water...
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...
Buckle up as we submerge you in the most dangerous things known to humanity. From painful stings to severe frostbite, this journey could get fatal quick. Can you make it...
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...
They can endure the cold reaches of space. Go without food or water for up to 30 years. And are nearly indestructible. But they’re, like, really tiny. So, there’s not a...
What would happen if the largest country on Earth decided it needs more territory and power? It might just go to war over it. What country could Russia invade first...
Would you sleep in this earthquake-proof bed? It senses when an earthquake is happening and drops you into a safe metal chamber. Yes, we know how ridiculous this looks...
The truth is that the Universe works in ways that are far more complex and fascinating than most of us realize. These misunderstandings often come from how we try to...
Scroll down to watch our video. Where would I be without you, Mr. Mittens? It’s not a meme; it’s a fact: We can’t live without cats. Do you know why...
There’s a deadly 40,000 km (29,400 mi)-long zone that passes through 15 countries. This area is dotted with volcanoes, giving it the name The Ring of Fire. And...
