This ancient, armored sea monster snatched its marine prey with a formidable bite more than 300 million years ago. Belonging to the fierce Dunkleosteus genus, it was among the planet’s first apex ...

Yahoo Racing is powered by Motorsport Network, providing expert reporting, analysis, and insider access across the world’s top racing series. Bizarre shrimp-like monsters that were the world's largest ...

The Mesozoic ocean may have been one of the most dangerous places in Earth’s history, filled with predators that still feel unreal today. Fossils reveal massive jaws, strange body shapes, and hunting ...

Mosasaurs were the apex predators of the oceans during the reign of the dinosaurs, but new research reveals dinosaurs weren't safe from them in rivers either. Researchers from Sweden, the US, and the ...

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, ...

With serpentine necks, flippers and a mouth full of needle-sharp teeth, plesiosaurs have captured imaginations since paleontologists uncovered the first specimen more than two centuries ago. Their ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

A CT scan of an ancient marine reptile that was entombed while pregnant has revealed a huge surprise — there were two fetuses inside her fossilized remains. "Twins! She has another baby," Judith Pardo ...

Nautilus: Russell Engelman, graduate student and research assistant in biology at the College of Arts and Sciences, discussed his recent research on Dunkleosteus, Cleveland's prehistoric sea monster. ...