Deep beneath Kentucky’s rolling hills, in the dark reaches of Mammoth Cave National Park, paleontologists have unearthed the ...

Paleontology researchers in Europe have identified a new species of ancient marine reptile – often referred to as a "Jurassic sea monster" or "sea dragon" – that existed nearly 183 million years ago.

Traskasaura sandrae is a "very odd" mix of primitive and derived traits. A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found ...

Long before the age of dinosaurs, Earth’s oceans were teeming with lifeforms that defied imagination. These were not anything like modern animals—no heads, no legs, no eyes as we know them. Picture ...

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 ...

Geologists in Mississippi unearthed a large vertebra belonging to a Mosasaurus hoffmannii, a giant marine reptile from the late Cretaceous period. The discovered vertebra, potentially the largest ...

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 ...