Prehistoric sea monster bigger than a killer whale may have terrorised rivers too - The mosasaur may have occupied a similar ...

In the age of dinosaurs — before whales, great whites or the bus-sized megalodon — a monstrous shark prowled the waters off ...

MAYVILLE, N.D. — A once-in-a-lifetime discovery in rural North Dakota. The fossil remnants of an ancient sea monster. There are many remnants of the ancient past inside Mayville State University: ...

Shedding light on the strange, car-sized, armoured fish that lived 360 million years ago in what is now Cleveland. Plus: the ...

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 ...

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, ...

This mouth structure wasn’t an evolutionary relic, however. It was actually a specialized feature that allowed them to thrive. It now appears Dunkleosteus boasted a head and jaw more reminiscent of a ...

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 ...

A 246 million-year-old reptile fossil discovered by scientists in New Zealand has been identified as the oldest marine reptile fossil found in the Southern Hemisphere, according to a Swedish museum.

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 ...