Science Puppy-sized spider: How big can a bug get? (+video)

The enormous Goliath spider, spotted recently in Guyana, conjures images of horror movies. But don't worry: A spider probably can't get that big.

By , Correspondent

The spotting of a rare Goliath birdeater spider in the Amazon this week may have some wondering how far the boundaries of science can give as this arthropod skitters across into a realm more suited to comic books than science.