Tests with orangutan teeth indicate that our early human ancestors could have eaten some really hard plant parts.

Two human teeth with holes drilled through them served as jewelry, report researchers, who discovered the 8,500-year-old artifacts in Turkey.

Researchers have reconstructed the evolutionary relationship between a 2 million year old extinct primate and today's living orangutan.

Scared of what all that Halloween candy will do to your teeth? An expert shares tricks for choosing the best treats—and how to keep teeth healthy all year.

"The new teeth wear the old ones as 'hats' until they are ready to erupt. So, piranhas are never toothless..."

Proteomics, a new forensics tool, means "reading DNA when you don't have any DNA to read." Here's how the technique works.

How to choose a toothbrush? To pick the right one, you have to consider the needs of your hand, mouth, teeth, and gums.

A new method is letting researchers get at the ancient proteins preserved in a rhino tooth fossil from almost 2 million years ago.

Rather than head to the dentist to stave off tooth decay, crocodiles just grow fresh chompers, research shows. Could we do the same one day?

Gorillas have teeth that are best for chomping on fruit and leaves, so researchers were surprised to see them using brute force to bite into nuts.