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

You could be forgiven for thinking the chicks in this video clip are caterpillars—and that is the plan! Read more to find out why.

A “remarkable” three-eyed predator nicknamed the “sea-moth” that lived 506 million years ago has been identified. The ...