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 ...

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 ...

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 scientists use ...

Six fossilized great white shark teeth have been found on Narragansett Town Beach in Rhode Island within a year. The Atlantic Shark Institute is encouraging the public to report any further ...

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 ...

—Marine researchers discovered a “shark graveyard” and a new shark species while exploring the bottom of the ocean off the coast of Australia. Scientists aboard the Investigator research vessel used ...

Ashley and I headed out to some river bank fossil sites when the water was too high to hunt in the river itself. We were not ...

Christine Wusylko works for the University of Florida and receives funding from the NSF. Pavlo Antonenko works for the University of Florida and receives funding from the NSF. Most kids have a natural ...

(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 ...