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 fossil was so complete experts could see remains of the last meal it ate, 330 million years after it died.

(CN) — During an extensive search for new fossil species, Jun Ebersole found one in an old box. “A few years ago, I was looking through the historical fossil collections at the Geological Survey in ...

Peruvian paleontologists on Wednesday unveiled the 12-million-year-old fossil of a prehistoric porpoise found near the country's Pacific coast. Otodus megalodon was the largest predatory fish in Earth ...

Despite multiple mass extinctions, the frilled shark has managed to thrive for 100 million years. Today, it remains one of ...

The fossil shark Ptychodus was first identified 190 years ago, but in the intervening centuries of paleontological inquiry, a comprehensive look at the ancient fish has been hard to come by. Until now ...

The fossil record of sharks and related elasmobranchs offers a comprehensive window into the evolutionary dynamics that have shaped marine ecosystems over millions of years. From preserved teeth and ...

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 ...

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 ...