With every rocket we launch into the Earth’s orbit, we’re trapping ourselves on our own planet. Wait, how could sending rockets into space put an end to...
Polyhedrons come in all shapes and sizes. Anything that has multiple faces joined at their edges can be a polyhedron. Picture Earth as a six-sided cube. Or as a...
Coastal cities across the globe are planning how they will keep the sea away as it rises. One solution? Just move the city. How much would it cost? How do you lift a...
Two billion years ago, Earth was a strange and hostile place. It was an era marked by dramatic climate shifts, dangerous changes in the atmosphere, and the birth of...
From mastering the energy of planets to reshaping entire universes, the path to a Type VI civilization stretches the limits of human imagination. But what would that...
For more than four decades, scientists believed it was gone forever. No sightings. No evidence. No surviving populations. An entire species appeared to have vanished...
Watch your head. Some seriously big asteroids are crashing into Earth. What kinds of shapes and sizes do they have? Which ones would have the deadliest impact? And which...
A rare interstellar visitor known as comet 3I Atlas is currently drifting through our Solar System. At first glance, it might look like just another icy rock in space...
This is the world 200 million years ago. No cell phones, electricity or even other humans. Would you be able to survive in this new world? Could you get yourself a pet...
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...
Flooding, devastation, and disease. What could all these awful things have in common? Rain. And lots of it. We’re not talking April showers here. So, imagine a...
Most people dream about adventure, but very few are willing to face the brutal reality of climbing Mount Everest. Rising along the border between Nepal and China...
Falling into a river in the Amazon is one of those survival situations no one wants to imagine. The water is dark, movement is disorienting, and panic can set in quickly...
Earth can be full of extremes. But today, there is only one extreme. Non-stop earthquakes that last an entire year. What would it be like to live under such shaky...
In 2010 an astronaut on the ISS observed a bizarre phenomenon. When he glanced out the window, he saw the Moon looked flattened when it appeared in the thickest part of...
Instead of falling apart after a single crash, now we all have cars that are completely indestructible. Would there be fewer fatalities caused by car accidents? What...
Jupiter, the largest planet in our Solar System, has enough mass to swallow millions of tons of debris. So naturally, someone has asked: Why not use Jupiter as a cosmic...
Intense rainfall. Winds of 120 km/h (75mph) or higher. Storm surge. These are the signs of a hurricane. During its reign of terror, a hurricane can release as much...
Across the globe, there are islands that look beautiful from a distance but hide extreme dangers, from deadly wildlife to natural disasters and strict access...
You’d better mind your waste because it’s not piling up in landfills anymore. Today, we’re going to dump it all straight into the oceans. How much trash would that...

