What If All Men Disappeared?

How would the world change if, all of a sudden, every biological man disappeared? Would the world become more peaceful? Why would you have to ration food? And why...

What If You Lived on a Tiny Planet?

Would you ever want to buy your own planet? Even if it was just the size of a house? It could be the perfect vacation spot! Unbeatable privacy and breathtaking views...

What If We Discovered Earth 2.0?

Could there be an even better planet for us than Earth? Scientists are searching for a superhabitable world that wouldn’t just rival Earth, but be a place where life...

What If We Lived on a Super Earth?

Scientists have discovered many planets similar to Earth beyond our solar system. These exoplanets can be up to 10 times larger than Earth, which might be ideal for our...

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 We Nuked the Mariana Trench?

Today we’re dropping a big bomb into the deepest part of the ocean. So grab a surfboard and get ready to hang ten on the waves of a massive nuclear tsunami. How would...

What If We Drilled Through Mars?

  If you were to drill straight down into Mars, what would you find? Would the red planet reveal its true colors? Would you finally discover life on Mars? And how...

What If We Terraformed Venus?

  We’ve heard about terraforming the Moon and Mars as we attempt to colonize space, but what about Venus? Could we live here one day? How different would it...

What If We Extinguished the Sun?

How much water would you need to extinguish the Sun? How would we deliver such an enormous amount of water anyway? Would all that water even make it to the star...