The lore of the Pokemon universe is vast, and as such, it's no surprise some Pokemon have been around since ancient times.

The tiny Amazon molly (Poecilia formosa) has always fascinated researchers because, according to the rules of evolution, it shouldn't have survived as a species, let alone thrive as a species for over ...

The characters of One Piece get their powers from devil fruits, but what are they, and why are the powers they grant wildly different?

Dragon Ball villains often live and die based on the success and strength of their transformations – literally.