There’s a giant, peanut-shaped object orbiting the Sun, and it’s name is Halley’s comet. Like all comets, it’s a cosmic mashup of frozen ice, gases, and dust...
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...
Imagine never being able to dream of landing on Mars or traveling to Saturn. Not because it’s impossible to get there, but because they didn’t exist. Because...
Imagine a world of endless possibilities. A world where every decision you make splits reality in half. And then the next decision splits it into another half. And then...
The Solar System is home to a remarkable range of planets, from tiny rocky worlds to massive gas giants. But just how big are these planets really? To put it into...
410 kilometers (254 miles) above the Earth. That’s where the International Space Station floats. What if you happened to be all the way up here but suddenly fell...
Imagine a world where humanity has not only gained the ability to travel and to populate space but has progressed even further than that. Humanity can now control and...
Io. One of Jupiter’s four largest moons, it’s a world that seems ripped straight from a science fiction nightmare. Its surface is a chaotic, constantly shifting...
So, what exactly is hot ice? Well, it’s simple. It’s made by boiling baking soda, vinegar, and a little bit of water. From that, you get sodium acetate...
Deep frying a turkey can often times be incredibly dangerous. So why don’t we try a different cooking method? Let’s send our turkey up into space, and have...
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...
Earth has gone through at least five major ice ages in its history. And you better start adapting now. Because another ice age is about to begin. Hypothetically. How...
Legend has it that somewhere beyond Neptune and Pluto, there is a ninth planet, with a mass that is five times greater than Earth’s. Planet Nine, also known by its...
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...
What if all the oceans disappeared from the Earth’s surface? What would a world with no high seas look like? What would happen to all the creatures that...
You just fell into a pool with this thing. What is this? How would falling in here affect your health? And could you actually survive this? This is a spent nuclear fuel...
Black holes are dense and scary. They suck up everything in their way. Their gravity is so strong it bends light and warps time. But what if I told you we might have...
As thrill-seekers, we like to do a lot of extreme, gravity-defying stunts to push our limits. If base jumping or caving is your thing, how about taking a tumble all the...
Ever feel like the Earth is just too small? Well, let’s make it bigger. Much, much bigger. Welcome to a new Earth that is just as big as Jupiter. In what ways would the...
Get ready for the most epic party of your life. Because someone replaced our Moon with a disco ball. How could you turn the Moon into a classic disco ball? How much more...
