The longest mapped network of caves in the world also contains one of the most implausible marine collections in North America. In Mammoth Cave, sharks and their kinsmen are preserved in layers of ...

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 ...

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 ...

The 3-inch long teeth are on display at the Melbourne Museum. No, this isn't a publicity stunt for the new movie "Meg." A teacher and fossil enthusiast found a giant set of prehistoric shark teeth ...

A brand new species of prehistoric shark has been discovered, and its teeth have a terrifying addition: their very own tiny fangs. The shark has been named Palaeohypotodus bizzocoi. Its genus name ...

If you saw my previous video you were introduced to our good friend Bob from Canada. Here he joins us for another day of ...

(THE CONVERSATION) Most kids have a natural curiosity about sharks − especially their sharp and abundant teeth. Our team had the idea to use the appeal of this charismatic apex predator to teach how ...

Screenshot from a video taken by a remotely controlled underwater robot at a depth of 3,090 meters with a Otodus megalodon tooth sticking out from the ocean floor. An international team of researchers ...

Aug. 10 (UPI) --An analysis of ancient shark teeth suggests the marine predators were relatively unaffected by the extinction event that wiped out 75 percent of the planet's species, including the ...

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck with a trailer and weighed almost twice as much. Embedded in its jaws were ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Christine Wusylko, University of Florida and Pavlo Antonenko, University of Florida ...

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 ...