Learn how whale fossils and embedded shark teeth reveal feeding behavior and scavenging in the Early Pliocene North Sea ecosystem.

Learn how a fossil tooth embedded in a plesiosaur reveals a violent attack by a giant predatory fish in the Cretaceous sea.

Proteins degrade over time, making their history hard to study. But new research has uncovered ancient proteins in the enamel of the teeth of 18-million-year-old fossilized mammals from Kenya's Rift ...

Catch up on the museum discoveries you may have missed over the past few months Emma Saaty & Jack Tamisiea Smithsonian researchers rediscovered a tooth from an ancient hippo-like marine mammal in the ...

Three tiny Purgatorius teeth found in Colorado are helping scientists trace how early primates evolved and spread across North America.

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

Having a piece of dinosaur history meant visiting museums or joining a fossil dig site. But today, fossil collecting is no ...

Desmostylus Tooth. Jack Tamisiea, Smithsonian's National Museum of Natural History Smithsonian researchers rediscovered a tooth from an ancient hippo-like marine mammal in the National Museum of ...

CAVE CITY, Ky. (WKRC) - Researchers recently discovered a new shark species within a layer of rock in Mammoth Cave National Park. One of these is a new species of petalodont (petal-toothed) shark ...