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

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 prehistoric discovery in northwest Missouri may be one of the rarest finds in the Midwest; a local paleontologist uncovered a mammoth bone, taking us back to the ice age when giants roamed the Show ...

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

LAS VEGAS -- Construction workers unearthed a set of rare bones while digging a backyard pool in Las Vegas. KTNV reports the bones are believed to be up to 14,000 years old and date back to Earth's ...

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 ...

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 ...

A paleontologist has uncovered a huge mammoth bone dating back to the Ice Age in a rare discovery in northwest Missouri.

It's been thousands of years since the woolly mammoths that used to roam the Northern Hemisphere went extinct. However, their former habitat is still ...

Explore ancient dinosaur tracks at Red Fleet State Park, Utah, where footprints from the Early Jurassic period offer a ...