When it comes to teeth, vertebrates have a lot in common. No matter the shape, size or sharpness, teeth share genetic origins, physical characteristics and, of course, a home in the jaw. New findings ...

Researchers suggest the rows of pointed structures on the heads of spotted ratfish are true teeth, offering the first known ...

Ratfish developed "forehead teeth" called tenaculum for reproduction, offering rare insight into the flexibility of ...

The Dunham, an Aegis guided-missile destroyer, is among a flotilla of U.S. warships dispatched to the region in recent weeks ...

Researchers studied the male spotted ratfish's tooth-covered forehead appendage, which flares out to ward off rivals and grip ...