Researchers just discovered a 66-million-year-old sea lizard in a phosphate mine near Casablanca, Morocco. The Khinjaria ...

An "exceptionally well-preserved" fossil may hold the key to understanding plesiosaur evolution. The newly discovered ...

"Twins! She has another baby," Judith Pardo-Pérez, a paleontologist at the University of Magallanes in Chile who first ...

We’ve seen evidence of many “sea monsters” that lurked in the oceans millions of years ago, but a new discovery of a colossal carnivore from over 200 million years in the past really takes ...

Plesiosaurs were long-necked reptiles that lived in the ocean during the time of the dinosaurs. While the area where this ...

A remarkably complete plesiosaur fossil found in southern Germany is shedding light on the early evolution of these iconic ...

DENVER — The Denver Museum of Nature & Science has a new exhibit exploring the depths of prehistoric oceans. Jurassic Oceans: ...