Add Yahoo as a preferred source to see more of our stories on Google. A CT scan of the tooth-like odontode structure from Astrapsis, an ancient jawless vertebrate fish shows that its tubules (shown in ...

A 300-million-year-old fish kept its fossilized brain, letting scientists read brain shape from skulls of similar ancient ...

Over 300 million years ago, a minnow-sized fish died and fell to the bottom of a prehistoric swamp near the village of ...

Over 300 million years ago, a minnow-sized fish died and fell to the bottom of the prehistoric swamp near the village of ...

The outer ear is unique to mammals, but its evolutionary origin has remained a mystery. According to a study published in Nature from the USC Stem Cell lab of Gage Crump, this intricate coil of ...

Lake sturgeon don't need Endangered Species Act protections, federal wildlife officials announced Monday, saying that stocking programs have helped the prehistoric fish return to areas where they had ...

Long before whales dominated the oceans, Earth’s seas were home to a fish so massive it continues to challenge our understanding of prehistoric life. Leedsichthys problematicus, an enormous ...

Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives important feedback about temperature, pressure—and yes, pain—as we bite and chew ...