They may look like rare plants or exotic landscapes but these fascinating images show the bacterial plaque that covers your teeth and other microorganisms living in your gumline and toothbrush as well ...

We hope you're not eating at the moment, because this might just put you off your food. These wildly disturbing images, which could be mistaken for alien lifeforms, are in fact bits of bacteria found ...

Research on a newly rediscovered 9,000-year-old child's tooth has reshaped our understanding of Alaska's ancient people, their genetic background and their diets. The tooth is only the second known ...