A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs ...

It turns out that preservation of these structures is widespread, confirming the ancient origin of this type of circulatory ...

Along with kaiju like Mechagodzilla and King Ghidorah, Mothra is one of the most famous and powerful monsters in the "Godzilla" franchise, so it was a big deal when she made her MonsterVerse debut ...