Meet Mosura fentoni, a bizarre 506-million-year-old "sea-moth" with three eyes, claws, and an abdomen full of gills.

We now have full genome sequences for six species of apes, helping us to pin down our last common ancestor – and potentially ...

The origin of reptiles on Earth has been shown to be up to 40 million years earlier than previously thought -- thanks to evidence discovered at an Australian fossil site that represents a critical ...

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

New discoveries of fossil clawed footprints from Australia, published in Nature, push the origin of reptiles back in time by ...