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

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

Sam Rosenthal has been hunting fossils for more than 25 years in Montana, Wyoming, Maryland and Florida. Now, his collection of fossilized dinosaur bones, teeth and shells line the fourth floor of ...

Paleobiologist Dr. Kenshu Shimada has been fascinated by fossil sharks, including the giant Otodus megalodon, since childhood ...

I see a big fish with sharp teeth gliding through the blue ocean ... Well, let me break it down for you. How did a fossil shark get lost in the desert? The whole idea and discovery might sound absurd, ...

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

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, ...

Megalodon was likely a long, streamlined predator, not a bulky giant. Scientists compared its bones with modern sharks.