The fossilized remains of a newly discovered ancient shark species found in the depths of Kentucky’s Mammoth Cave National Park reveal not the sharp, pointy gnashers you’d associate with Hollywood’s ...

Discovered in the McGraths Flat fossil site in New South Wales, Australia, the new fossil is a freshwater smelt belonging to the order Osmerifiromes, the first of its kind to be found in Australia.

Brock’s iron shield fish adds to the rich prehistoric history of McGraths Flat, and contributes to its classification as a ...

Fish can change their teeth quickly, which speeds up their evolution. Cichlids in African lakes show the fastest ...

This resort town is home to one of the UK's longest piers as well as the most geographically and biologically significant ...

NPS Illustration/Benji Paysnoe The park, particularly the Ste. Genevieve Formation, where the McGinnis’ nail tooth shark was found, is where more than 70 species of sharks and other fish have been ...

It was identified from a collection of small fossilized teeth found within the Ste. Genevieve Formation, a layer of limestone ...

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

"If you stay in a skinnier body, there is a better chance of being able to grow larger," Shimada said. This principle applies ...

Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood — he found his first megalodon tooth at 13 years old.