What If Every Planet Had a Twin?

Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did every planet suddenly get a twin? Where would...

What If Styxosaurus Was Alive?

You pop out of the ocean and hear the faint yells of the lifeguard. The whole beach panics. Your turn around. Something lurks in the water. Before you can say...

What If You Met a Time Traveler?

If time travel is possible, why haven’t we met a single time traveler yet? And if we did meet one, how would we know they weren’t faking it? What would their...

What If You Spent 5 Seconds on Io?

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...

What If You Were Born on the Moon?

Greetings, future moonling. That’s right. You are among the first generation of children born on the Moon. How would your birth compare to every previous human’s...

What If Russia Won the Space Race?

Hello, tovarisch. Welcome to the U.S.S.S., where we drink vodka for breakfast. Where we cuddle our pet bears in our backyards. And where, instead of taking a morning...