What If Everyone Lived Underground?

In some of the wealthiest corners of the world, the very rich are putting their money towards building underground bunkers to survive the apocalypse. These subterranean...

What If Planet X Was Real?

Over the past century, astronomers have speculated about the existence of a mysterious 9th planet lurking in the outer reaches of our solar system. Although we’ve...

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...