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 ...

Fossilized fish digestive tracts are usually obscured by their scaly skin. But these carnivorous remains aren’t complete specimens—they’re decapitated heads still attached to gastrointestinal tracts.

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 ...

Ancient lungfish fossils show how early fish evolved features that eventually allowed animals to leave the water and adapt to life on land.

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 ...

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 ...

Human activity has lessened the resilience of modern coral reefs by restricting the food-fueled energy flow that moves ...

A newly discovered fish fossil is the earliest known creature with what might be recognized as a face. Entelognathus primordialiswas an ancient fish that lived about 419 million years ago in the Late ...

WASHINGTON (Reuters) - A bottom-dwelling, mud-grubbing, armoured fish that swam in tropical seas 423 million years ago is fundamentally changing the understanding of the evolution of an indisputably ...

Near the top of the world’s highest peak, climbers sometimes spot seashells and delicate crinoid stems locked inside pale limestone, a jarring sight in the thin, frozen air. Those fossils formed on an ...