What If The Earth Had Two Moons?

  But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...

What If You Had a Cosmic Twin?

What if there was another version of you? Somewhere out there in the Universe. A you that could be anything. Imagine a version of you where you’re the Batman. Or...

What If Two Hurricanes Collided?

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...

What If You Could Stop Time?

If you had a device designed to freeze time for everything but you, life wouldn’t be anything like what you’d expect. You wouldn’t catch up on sleep...

What If Humans Evolved Backward?

Humans have been evolving for the past six million years. But something’s gone terribly wrong. And now we are evolving backward. Once this process began, how long...

What If We Killed All Snakes?

These slithering creatures can live in the smallest corners of your home and the darkest places you don’t dare visit. Well, not anymore, because today we’re...