The predator, nicknamed Raptorex, lived about 60 million years before the T. rex and was slightly larger than the human male, scientists said. The findings, to be released Friday ...

Scientists have discovered a water-bottle sized dinosaur fossil in Patagonia, Argentina. The tiny predator lived 95 million years ago and ranks among the smallest dinosaurs ever identified.

WASHINGTON (AP) — Scientists have revealed fossils of a giant salamanderlike beast with sharp fangs that ruled waters before the first dinosaurs arrived. The predator, which was larger than a person, ...

A newly discovered fossil marine lizard withrazor-sharp teeth is offering scientists a rare glimpse into life at the very end of the dinosaur age. Called Khinjaria acuta, this fierce predator roamed ...