The fossil skeleton of a bird with strange teeth that lived 125 million years ago has been discovered in China. The bird had bizarre ridges on its teeth that may have enabled it to crack open ...

Today’s birds don’t seem quite as threatening as their gigantic dinosaur ancestors, in part because they lack the teeth that make the Tyrannosaurus rex so terrifying. But why don’t today’s birds have ...

CT-scan-based skull restoration and life reconstruction of the toothed stem bird Ichthyornis dispar, a primitive seabird that prospered about 85 million years ago along the warm, shallow inland sea ...

Evolution is complicated, and thus, there often are multiple overlapping reasons that particular traits are adaptive. One such evolutionary puzzle is the reason that birds have beaks instead of teeth.

As scarce as hen's teeth? Well, that depends. Researchers in Wisconsin discovered some years ago while working with a chicken embryo for another study that the bird had rudimentary teeth. They ...

A CT-scan image of the skull of an ancient bird shows how one of the earliest bird beaks worked as a pincer, in the way beaks of modern birds do, but also had teeth left over from dinosaur ancestors.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For nearly 50 years, researchers have found mysterious, disembodied teeth dating to the dinosaur ...

What happened to birds’ teeth? Since the time a fossil of the ancient bird Archaeopteryx was discovered in 1861, scientists have realized that the avian ancestors once had teeth while birds today lack ...

Birds don't have teeth, and believe it or not, we're still not entirely sure why. A new study, however, has an impressive theory on what happened to our winged friends, and suggests how going ...

A CT-scan image of the skull of an ancient bird shows how one of the earliest bird beaks worked as a pincer, in the way beaks of modern birds do, but also had teeth left over from dinosaur ancestors.

WASHINGTON, May 2 (Reuters) - A primitive seabird that prospered about 85 million years ago along the warm, shallow inland sea that once split North America boasted what scientists are calling a ...