If you got into a spaceship, and traveled long enough and fast enough, could you eventually loop back to where you started? Assuming you don’t accidentally collide...
What if instead of shining brightly for another 5 billion years, the only star in our Solar System turned into a dark and cold remnant? A black dwarf. How long...
What if Jupiter’s 79 moons weren’t gravitationally bound to Jupiter? What if they became rogue objects orbiting on their own paths around the Sun? Would they still be...
What would happen if our planet got too close to a black hole? According to science fiction, we’d be sucked into a parallel universe, or maybe even the future. But...
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...
How long would it take for the world’s largest rainforest to burn down? If we don’t do anything to stop it, we’ll soon find out. The Amazon rainforest...
Imagine your bedroom infested with these tiny bugs. But, what if they were the same size as us? How much blood would a giant bed bug drink? How fast could they take over...
Did you know that a single snake bite can kill an adult elephant in just a few hours? And if you’re not careful, snake venomc can kill you in only 15 minutes. But...
In the center of our Solar System, there is a ticking bomb. And when it explodes, it will end all life on Earth. That ticking bomb is our Sun. Like all the stars in the...
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...
What if one side of the Earth always faced the Sun, while the other side was forever shrouded in darkness? Just how hot would it be on the bright side? And how cold...
It’s time to live your ultimate supervillain fantasy. Today, you’re going to unleash your masterpiece of mass destruction. An antimatter bomb. How would you build it...
What if I told you that every time you’re asleep in your bed at night, your private thoughts might be compromised? What if, when you’re dreaming about all your hopes...
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...
Have you ever wondered what it would be like to explore one of Jupiter’s moons without ever leaving Earth? Or what would happen to your body under a monstrous...
Chaos overtakes the streets, and the news spreads like wildfire. Sea levels have suddenly risen 500 meters, and giant waves are headed your way. Where could you hide to...
Could humans suddenly growing to the size of dinosaurs be as catastrophic as the asteroid that wiped out the prehistoric giants? Would it even be a world ending event...
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...
The Sun isn’t the biggest thing in our Solar System. And it’s not Jupiter, either. But close. It’s Jupiter’s very own magnetic field. What would it be...
As much as we love to blow stuff up here on Earth, no bombs or pyrotechnics could compare to the incredible force of nature’s biggest explosion, the supernova. As...
