Quick Take Cleveland’s famous sea monster, Dunkleosteus terrelli, was recently discovered to have a more typical jaw size ...

Geologists working in Mississippi recently stumbled upon an incredible find: the fossil of an ancient marine apex predator. They uncovered a piece of vertebra they said likely belonged to a mosasaur, ...

A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found decades ago in Canada reveal. The first set of fossils, found in 1988 along ...

About 360 million years ago, long before dinosaurs walked the Earth, a terrifying predator ruled the shallow seas that once covered what is now Cleveland, Ohio. Its name was Dunkleosteus terrelli, a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Mosasaurs were some of the most fearsome apex predators to ever ...

Dive deep into mysterious waters and meet colossal sea creatures ruling oceans with incredible size, power, and ancient ...

Paleontologists have made a unique find: A 5-meter Triassic ichthyosaur with a 4-meter Triassic thalattosaur jammed down its gullet. By all appearances, the former literally bit off more than it could ...

Oceanographer Anya Stajner was enjoying a sunset walk along the La Jolla Shores beach when a vibrant violet pop of color caught her eye in the sand. She got down on her hands and knees and was ...

A fossil mosasaur skull and partial skeleton excavated from Angola’s costal cliffs. Credit Hillsman S. Jackson, Southern Methodist University. The story of prehistoric ocean life that emerged in the ...