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

A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

An analysis of two theropod dinosaur fossils has shown that they had a type of carpal bone (pisiform) in their wrists—a bone considered important to flight in birds. Subscribe to our newsletter for ...

Add Yahoo as a preferred source to see more of our stories on Google. Monument staff work on excavated dinosaur fossils in the Quarry Exhibit Hall Parking Lot. Located on the Colorado-Utah border at ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The super rich, including some very high-profile movie stars, are increasingly getting into collecting dinosaur bones, but the ...

Citizen scientists uncover dinosaur toe bones and claws along Australia’s southern coast, sharpening insight into ancient polar life.

An unprecedented fossil of a baby dinosaur curled up perfectly inside its egg is shedding more light on the links between dinosaurs and birds. The 70-million-year-old fossil preserves the embryonic ...