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...
Hang on because we’re about to screech to a halt. That’s right. The Earth is going to stop spinning for five seconds. How much damage would this sudden stoppage cause...
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...
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...
Some say, “youth is wasted on the young.” So what if it wasn’t? What if you didn’t have to dread aging? Your eyesight failing? Your joints aching...
Are cubic planets possible? Could humans live on a cubic world? How would our climate change? How would gravity be affected? Could we stand it?
Right now, only 15% of life on Earth lives in Oceans. Today, we’re gonna crank that up a notch. You, as well as all life on Earth, are moving underwater. Would we have...
The Earth is under attack! And rather than just completely obliterating us, our attackers have decided to simply cut our planet in half. Is this an act of mercy, or the...
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...
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?
The captain sounds the alarm. The waters around the ship rumble. Strange lights from deep below inch closer and closer to you. Something is emerging from the Mariana...
As you approached Saturn, you would be the first human to take in the glory of its rings and its swirling atmosphere in person. Along the way, you would pass a few of...
Millions of years ago, the Earth looked very different. A huge landmass, called Pangea, covered about a third of our planet. But about 175 million years ago, the Earth...
What if everyone on the planet coordinated to perform the biggest “flush mob” in history? Pushing all the wastewater in the world down the drain, all at once...
The Amazon rainforest stretches for millions of kilometers, hiding ancient tribes, animals and maybe something else. What if under this mysterious canopy lies an...
Imagine pulling into a drive through and seeing Woolly Rhino burgers on the menu. It might sound strange today, but thousands of years ago, our ancestors depended on...
The immunization battle against COVID-19 continues. This time, your pet’s life is at stake. Any animal’s life, for that matter. And even your life could be...
With nearly eight billion people on the planet, things can feel pretty crowded. Let’s make things a bit tighter by housing every single person on Earth in one giant...
This shiny metal is constantly in a liquid state. This is mercury. We normally see this metal in tiny quantities. But what would happen if we took thousands of liters...
Beneath the Earth’s surface lies the core, a scorching sphere of iron surrounded by a layer of molten metal. Temperatures at the core reach approximately 6,000°C...
