It’s the matchup you’ve been waiting for, the clash between some of the biggest titans that ever roamed the Earth. Today, we’re going back in time to...
Mars didn’t always look like this. It may have once been covered in oceans. But what if we brought all the Martian water back and transformed the red planet into...
The Amazon rainforest stretches for millions of kilometers, hiding ancient tribes, animals and maybe something else. What if under this mysterious canopy lies an...
For billions of years, the Sun’s gravitational has kept Earth’s orbit on a steady and reliable path. But this rogue star has other plans for our planet. This...
See that strip of stars splashed across the night sky? That’s our home galaxy, the Milky Way. You can see it from Earth because we live on its very outskirts, far...
Imagine that the Sun is on the verge of exploding. Or that a planet-killing asteroid is headed our way. Or maybe you just want to take the entire planet on a joy ride...
Imagine what it would be like to have miniature version of our Sun right here on Earth. Would this artificial star provide us with an infinite supply of clean energy...
From a world shaped like a giant donut to a planet with the sharp edges of a perfect cube, changing the shape of Earth would dramatically alter how we live, move...
Space is full of treasures. Literally. If we were able to extract the resources from the rocks in the asteroid belt alone, we could give $100 billion to every...
Imagine if all the Earth’s oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And...
The jury found you guilty. The judge sentenced you to one of the most dangerous prisons on Earth. And if you’re not careful, you could spend the rest of your life...
It’s been 30 days since Uranus first appeared in the sky. At first, it looked like our Moon had found itself a stellar partner. But then, we understood something...
Ahh, spring has sprung. Robins are chirping. Flowers are blooming. Yikes, it’s getting a little windy out. Wait a minute. Do you hear that? Is it just me or does it look...
Taller than a six-story building. Longer than three school buses. Ten times as heavy as an elephant. The largest dinosaur ever is coming back from extinction. What would...
It’s about to get really hot down on Earth. Because all our oceans suddenly started to boil, sending steam into the atmosphere at an alarming rate. Why would all...
Imagine a future where the unthinkable happens. A global catastrophe wipes out nearly everyone on Earth, leaving only two human beings alive. With the survival of the...
Moving is never easy. The packing and unpacking, having to start fresh and make new friends, all this can be challenging. Let’s face it, whether it’s a nasty...
Seawater is salty, undrinkable, and a potential source of planet-saving fuel. Hold up. Fuel? Yes, that’s right. We have the technology to convert seawater into liquid...
When it comes to planets in our Solar System’s habitable zone, one world is too close to the Sun, another is too far and Earth is just right. But maybe things...
Some of the planets in our Solar System are gigantic. But what if they got even bigger? Let’s go up the planetary size chart and see what kind of chaos doubling the size...

