A dinosaur that may have been one of the fiercest of the Cretaceous period has been excavated in South America – with an extinct crocodile’s leg in its jaws. The remains of the dinosaur, named ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process — just count up the growth rings in its fossilized bones. "We always thought that those rings were formed ...

Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within the dinosaur's mouth. The new species, dubbed Joaquinraptor casali, is ...

An odd crocodile relative, Sonselasuchus cedrus, walked on four legs as a baby and two as an adult - a huge transformation ...

Add Yahoo as a preferred source to see more of our stories on Google. Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within ...