An aggressive predatory fish covered with armor featured the most primitive teeth known to date.
The premise behind 'Jurassic World' dates back nearly a century -- to the creator of Sherlock Holmes.
Red blood cells and collagen fibers from bone are preserved in 75-million-year-old dinosaur bones.
The massive fish, Leptostyrax macrorhiza, would have been one of the largest predators of its day.
Dinosaurs are now known to have lived in 37 U.S. states, with Washington state being the latest to lay claim to a dino.
This 505-million-year-old phallus-like creature actually had a throat full of teeth.
The ultimate early bird pushes back the evolutionary record of modern birds by around 6 million years.
A nearly complete skeleton of a new species of so-called terror birds has been found.
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