Geologists working on surveying land in Mississippi stumbled upon an incredible find: the fossil of an ancient marine apex ...

It was capable of growing beyond 30 feet in length and weighed around 10 tons—a mature elephant plus a sedan car.

Paleontologists recently described the previously unknown mosasaur from fossils found near the North Dakota town of Walhalla. The town’s name comes from Valhalla, the feasting hall of Norse ...

UC's Takuya Konishi examines a disputed mosasaur fossil with unusual teeth potentially indicating a new species.

And according to Mississippi Department of Environmental Quality (MDEQ) geologist James Starnes, a recent vertebrae fossil find belonged to “about as big” a mosasaur specimen as one could get.

Researchers said they had discovered a new line of mosasaur, a giant sea-dwelling creature that lived alongside the dinosaurs. Its name, Jormungandr walhallaensis, draws on Norse mythology.

Researchers have described a Japanese mosasaur the size of a great white shark that terrorized Pacific seas 72 million years ago. The cradle of paleontology—the study of fossil remains of ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Paleontologists in North Dakota have discovered new species of ...

A team of experts assert it’s the jawbone of an ancient mosasaur. Dissenters in Alberta say it’s too good to be true. Testing ...