![a couple of laughzillas on a blue diamond background](https://thedailydose.com/wp-content/uploads/2011/10/laughzillas-crop-150x150.png)
Our neighboring galaxy, Andromeda, is a cold-blooded killer and a cannibal to boot. In about 4 billion years it’s going to collide with The Milky Way, eat it, and litter the cosmos with its crumbs. This won’t be the first time it’s killed. We’ve known …