What If Earth Was Twice as Big?

Doesn't it suck having a noisy neighbor? Or constantly running into your ex? We all need personal space, but often find we can't get enough. Don't you wish the world was...

What If the Universe Is Bouncing?

This is the Universe. And this little dot here is the Earth. And this is a Big Bounce coming up, and it’s about to squash our planet. Yikes. How long would we have...

What If Uranus Collided With Earth?

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...

What If it Rained Volcanic Glass?

This is not some harmless hair. It’s volcanic glass and it could turn your life into an itchy, blistering existence. Uh oh. Looks like today’s forecast is volcanic...

What If You Fell Into Lake Kivu?

  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...

What If Two Black Holes Collided?

Black holes are the gravitational monsters of the Universe. They are so powerful that nothing, even light, can escape their grasp. One black hole is bad enough. But if...