Imagine if one day you looked up into the night sky, and saw Mars or Saturn where the Moon was supposed to be. That would sure turn our Earth into an alien world. And...
Imagine a dry desert with endless sand dunes transforming into a lush, green tropical paradise before your eyes. This is the ambitious vision of terraforming the Sahara...
The next time you see that adorable hummingbird at your feeder, remember one thing. It might take your life. Because in this world, every bird works for the government...
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...
Imagine you had to experience an apocalypse every day. Volcanic eruptions, tsunamis, asteroid showers. Every day would be a struggle for survival. That’s because...
Located in the United States, one of the world’s largest volcanoes is gearing up to explode. It’s known as the Yellowstone Volcano, and it’s not just...
Technically speaking, this marine reptile wasn’t a dinosaur, although it sure swam the Earth alongside many of them. Styxosaurus lived 70 to 85 million years ago, in the...
Just north of the Martian equator lies a 45 km (28 mi) wide impact crater that scientists believe may have been the site of an ancient lake. Here at Jezero Crater...
What causes moonquakes? What would happen if half of our Moon drifted away? Has the Moon already split in half? As friendly neighbors in the sky, the Moon and Earth have...
This war didn’t come out of nowhere. The signs were hiding in plain sight. Trump slams Europe with devastating tariffs, crippling economies across the continent...
Billions of years ago, another planet smashed into Earth. An event of this epicness could have created our Moon. It also could have brought alien life to our planet...
If you were going for a refreshing swim, the last thing you’d expect is to suffocate from toxic gases. But when it comes to Lake Kivu, this is one dangerous body of...
Imagine if we could collect the energy out of thin air. And I mean it quite literally. You know how you were taught that a vacuum is nothing but empty space? That...
That’s no moon. It’s a space station. The enormous, planet-killing kind, designed for only one thing — to bring order to the galaxy. It’s Star...
It’s been 100 Earth years since you settled on Mars. You’ve been through pain, loneliness and a lot of hard work. And now Mars is the new promised land everyone...
Our lungs might be fine in that short a time frame, but the rest of the planet? Not so much.
In 1044, the Chinese invented gunpowder. And we’ve been getting into trouble ever since. Fireworks are cool, nuclear warfare is not. And nuking the moon...
This would be the journey of a lifetime, if you don’t mind riding through molten rock and crushing pressure. What would you see along the way? How long...
One task, you have. Find Baby Yoda, you must. The tracking fob, guide you it will. Where, begin your search, would you? It sounds like an easy task. But we...
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...

