Add Yahoo as a preferred source to see more of our stories on Google. (Photo Credit: @katieskittenz / Instagram) Every cat parent knows that watching a kitten grow up is full of adorable surprises.

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

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A sliver of what makes sharks so intriguing comes with their ability to regrow teeth. And while a group ...

When you lose a baby tooth, an adult one grows in its place. But if you lose an adult tooth, your options are limited to dentures, titanium implants, or a stylish gaping hole. Soon, however, there ...

Scientists have gotten one step closer to growing replacement teeth in the lab — a development that could pave the way for new alternatives to unpleasant dental fillings and root canals. The team ...