An artist's illustration of the pliosaur, an ancient ambush predator twice the size of an orca. The fossilized remains of a "truly gigantic" ancient sea monster have been discovered by chance in an ...

(CNN) — The chance discovery of large fossil specimens in a museum drawer have led researchers to conclude there was a gigantic marine reptile called a pliosaur swimming the seas 152 million years ago ...

The pliosaur was a carnivorous reptilian apex predator that roamed and ruled the seas for millions of years during the Jurassic period. In late 2023, an extraordinary discovery along the rugged cliffs ...

A new piranha-like fish from Jurassic seas with sharp, pointed teeth that probably fed on the fins of other fishes is seen in this artist's reconstruction of a fossil which was discovered in southern ...