What If Pangea Never Broke Apart?

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 You Fell Into Jupiter?

Humans have explored the Moon, Mars, and of course, Earth. But what do we know about Jupiter? For the most part, this gas giant is a mystery. So what would happen if you...

What If the Universe Is a Loop?

If you got into a spaceship, and traveled long enough and fast enough, could you eventually loop back to where you started? Assuming you don’t accidentally collide...

What If We Colonized Titan?

Even if you weren’t 1.5 billion km (900 million mi) away from Earth, starting a community is extremely hard. Luckily for you, we’re here to help you work out the kinks...