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

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 ...

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 ...

The contents of the last meal of a freshwater crocodile that lived more than 95 million years ago, which at first stumped researchers have now been identified as a young dinosaur, according to a story ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have discovered a new dinosaur from Argentina with powerful claws, feasting on an ancient crocodile bone. The new find ...

Everyone knows that ancient monsters walk among us – alligators, crocodiles and birds all have characteristics that date back millions and millions of years. But a newly indentified dino cousin may ...

A new species of crocodile that lived about 95 million years old was discovered in Australia, and researchers discovered it ate a dinosaur as its final meal. The fossils of the crocodilian species ...

Crocodiles are fascinating animals that once lived along with dinosaurs, but survived the mass extinction which wiped many species out. These reptiles are very versatile and can live in multiple ...