New fossil evidence from China suggests that some of our vertebrate ancestors had four eyes. The study, published in Nature, takes a closer look at a structure found in multiple 518 million-year-old ...

A 400-million-year-old jawed fish fossil found in the Arctic, Romundina gagnieri, could be a key link in the evolution of ...

Add Yahoo as a preferred source to see more of our stories on Google. A 67-million-year-old fish fossil preserved rare middle ear bones that amplify sound. New analyses suggest otophysan fish evolved ...

NEW YORK — A big catch of fish fossils in southern China includes the oldest teeth ever found — and may help scientists learn how our aquatic ancestors got their bite. The finds offer new clues about ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...

The fossil is estimated to be about 100 million years old. — -- The skeleton of a 100 million-year-old fish "with an incredibly swordfish-like head and monstrous teeth" has been unearthed in the ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our ...

The first known cases of accidental choking have been discovered, dating back 150 million years, when some opportunistic fish got more than they bargained for picking off algae and slime from dead ...

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is a story about how freshwater fish rose to dominance, and how a few bones ...