Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two teeth from a ...

mutans in ancient tooth samples as this bacteria produces acids that cause tooth decay but also degrades DNA. The researchers said the conditions of the cave at Killuragh, which is cool ...

Research led by Jilin University and Texas A&M University has documented the first known case of cinnabar-stained teeth in ...

An curved arrow pointing right. Ancient Romans had pretty great teeth. Scientists are scanning the body casts of victims of the eruption of Mount Vesuvius, which is leading them to new revelations.

A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

Wellcome Library, London. Some of the earliest examples of tooth decay are the tooth erosion found in ancient Egyptian skulls, believed to have been due to eating coarse bread and fibrous vegetables.

We wondered whether the same technique could work for ancient teeth and finally provide a date marker for early hominins' meat-eating behavior. When these results aligned with what we expected in ...