Fossil preparator Tabatha Gabay works on remains of an ancient marine predator — a plesiosaur in the Perot Museum of Nature and Science fossil lab in Dallas, April 23, 2025. She was working on the ...

The discovery of a well-preserved fossil is helping researchers learn more about an iconic Jurassic-period species. The plesiosaur, considered a successful marine predatory ancient species, may have ...

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.

When large marine animals like whales die, they sink down to the seabed. Once their flesh has been stripped away by scavengers and microbes, their corpses are colonized by a variety of specialized ...

Long before neighborhoods sprawled across North Texas, ancient seas teemed with formidable marine reptiles. One of those long-lost creatures has resurfaced—not from the ocean, but from a patch of ...

In the rolling hills of southwest Germany, there is a rock layer that has yielded some of the most spectacular marine fossils in the world. Known as the Posidonia Shale, this 183-million-year-old ...

An iconic and much-loved ancient sea monster has been revealed to be an entirely new and "very odd" species of plesiosaur—solving a nearly 40-year-old fossil mystery. Traskasaura sandrae, which lived ...

A remarkably preserved plesiosaur fossil has revealed both smooth and scaly skin, offering new clues about how this ancient sea creature swam and moved along the ocean floor. Some skin cells were so ...

(LONDON) — The discovery of a well-preserved fossil is helping researchers learn more about an iconic Jurassic-period dinosaur. The plesiosaur, considered a successful marine predatory dinosaur, may ...

Fossilized soft tissue is exceptionally rare in plesiosaur fossils. The discovery of a well-preserved fossil is helping researchers learn more about an iconic Jurassic-period species. The plesiosaur, ...