Now, a new fossilized fish skeleton found in China is older than the next-oldest specimen by a whopping 15 million years and is the, “oldest undisputed jawed fish.” ...

Thanks to carbon dioxide emissions, Earth’s seas are getting both warmer and more acidic. Until now, the consequences of ocean acidification were thought ...

The discovery of the 410-million-year-old fish fossil suggests the lighter skeletons of sharks may have evolved from bony ancestors, rather than the other way around.

Theory had it that some continued to do without them, becoming sharks, while others re-evolved the modern-style skeleton of many fish, reptiles and mammals.

Scans reveal the innocent looking 'pinecone fish' is hiding a terrifying internal skeleton of spiky ARMOR. The pinecone fish has a pale yellow color with black outlines on its scales ...

July 31 (UPI) --New X-ray images of ancient fish fossils have helped scientists solve a 160-year-old mastery about the origins of the vertebrate skeleton.Heterostracans are a group of fossil ...

Adam Summers used to trade Snickers bars to get free CT scans of dead fish.He likes fish. A lot.Summers is a professor at the University of Washington in… From 'The Water's Edge To The Cutting Edge': ...

Professor Adam Summers is a "fish guy." He uses fish to get engineering ideas. His latest project is to CT scan every type of fish — all 33,000 of them.