Megalodon usually gets all the attention when it comes to sea monsters, but ancient oceans were full of predators just as strange and scary. Fossils tell us that long before modern sharks ruled the ...

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: ...

Geologists working on surveying land in Mississippi stumbled upon an incredible find: the fossil of an ancient marine apex predator considered a "sea dragon" of the time. First cracks emerge in ...

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 ...

When the South Atlantic Ocean was young, sea monsters ruled it. Some of their bones have turned up along the coast of West Africa and are going on exhibit Friday at the Smithsonian Institution in ...

Ancient Antarctic Sea Monster May Have Laid This Football-Size Egg. A 68 million-year-old egg the size of a football — the ...

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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, ...