It is actually wild how fast dogs grow up, and George from Brisbane is out here proving it by hitting major milestones ...

Teeth and the evolution of teeth have long fascinated researchers in all manner of species. Questions arise, such as why they evolved, why they were lost, and even in some cases, why they evolved ...

The discovery proves it's possible for vertebrates to grow teeth outside the mouth Getty A new study discovered male ghost sharks grow teeth out of their foreheads on an appendage called a tenaculum ...

Narwhals are famous for their long “horn,” but it’s not actually a horn at all. It’s a single tooth that can grow up to 10 feet long and contains millions of nerve endings. Scientists believe it may ...

WASHINGTON — Ever wonder why sharks get several rows of teeth and people only get one? Some geneticists did, and their discovery could spur work to help adults one day grow new teeth when their own ...