Paleontologists have often determined how old a dinosaur was by counting the growth rings in its bones. Just like with trees, ...

Scientists discovered a crocodile relative that is 200 million years old and had two legs. The diversity of reptiles during the Triassic period is shown by this discovery, which is long before ...

Scientists have unearthed a "peculiar" ancient crocodile that walked on two legs – after beginning its life on four. Named Sonselasuchus cedrus, the creature roamed the Earth during the Late Triassic ...

In biology and palaeontology (the study of extinct organisms) there are a few ways to estimate the age of an animal's skeleton. One is the extent of fusion of sutures in the skeleton - how much the ...

A research team led by Dr. Márton Rabi from the Biogeology Department of the University of Tübingen, together with Máté ...

Do the bones of all Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted ...

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 ...

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.

Add Yahoo as a preferred source to see more of our stories on Google. A rare fossil of Joaquinraptor casali from Patagonia reveals a powerful predator that may have dined on crocodiles. (CREDIT: The ...

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 ...