Teeth can tell us a lot about the evolution of prehistoric humans, and our latest study of one of our species' close relatives may finally resolve a long-standing mystery. The genus Paranthropus is ...

A construction worker in Northwest Iowa discovered something unexpected among the rocks during an excavation earlier this month — a woolly mammoth tooth. Tiffany Adrain, a University of Iowa fossil ...

When scientists want to know what our ancient ancestors ate, they can look at a few things: fossilized animal bones with marks from tools used to butcher and cut them; fossilized poop; and teeth. The ...

Mysterious fossil teeth found in the Caribbean belong to a family of extinct, land-dwelling reptiles that look like what you might get if you crossed a crocodile with a greyhound dog. This is the ...

Kids who belonged to now-extinct species in the human evolutionary family grew at unexpected rates, unlike the growth of either present-day people or apes, a new study of their teeth finds. As a ...

An extended childhood, a hallmark of human development, may have gotten off to an ancient and unusual start. One of the earliest known members of the Homo genus experienced delayed, humanlike tooth ...

A photograph purportedly showing the tooth of a megalodon -- a prehistoric shark that could reach sizes of nearly 60 feet in length -- embedded in a whale bone is frequently shared online with the ...

BUFFALO, N.Y. — Modern hyenas are known as hunters and scavengers in Asian and African ecosystems such as the savanna. But in ancient times, these powerful carnivores also roamed a very different ...

For decades, small grooves on ancient human teeth were thought to be evidence of deliberate tool use – people cleaning their teeth with sticks or fibres, or easing gum pain with makeshift “toothpicks” ...

The fossil is estimated to be about 100 million years old. — -- The skeleton of a 100 million-year-old fish "with an incredibly swordfish-like head and monstrous teeth" has been unearthed in the ...