The ratios of strontium isotopes in fossil shark teeth can be used to better understand how coastal environments evolved in ancient times, according to our newly published work. As paleontologists ...

What does this mean? First, grooves that resemble "toothpick" marks don't necessarily prove tool use. Natural chewing, abrasive foods, or even swallowed grit can produce similar patterns. In some ...

A lucky Florida family found a once-in-a-lifetime fossil that belonged to one of the biggest predators that ever roamed the ocean. Bricen Columbia, 19, found a 6.5-inch megalodon tooth in South ...

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 ...

Shark teeth are often considered the most common vertebrate fossils in the world, and for good reason. Each individual shark has rows upon rows of chompers that fall out and get replaced in conveyor ...

A fossil of a strange, squishy creature with a toothy tongue inside its gut has been discovered in good condition. The specimens of this bizarre mollusk-like creature were found in the Carboniferous ...

NEW YORK — A big catch of fish fossils in southern China includes the oldest teeth ever found — and may help scientists learn how our aquatic ancestors got their bite. The finds offer new clues about ...

It stands to reason that a 95 million-year-old tooth shipped to my home would have a rich past. But what ensued after I bought it online for about $100 revealed how, for such relics and those who ...

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Bruce J. MacFadden receives funding from the National Science Foundation. Stephanie Killingsworth does not work for, consult, own shares in or receive funding from any company or organization that ...