Researchers just discovered a 66-million-year-old sea lizard in a phosphate mine near Casablanca, Morocco. The Khinjaria acuta belonged to the Mosasauridae family, an extinct group of lizards whose ...

The legendary sea monster Cetus is a huge and dangerous ... interest in cryptids and unexplained occurrences, whether it be a ...

This story originally ran in the Chicago Tribune on April 2, 1906. (Spoiler alert: This is a classic April Fool’s prank played on Chicago Tribune readers. Never fear — dinosaurs did not ...

Wadi Hitan is a beautiful but unforgiving place. Along with the bones of prehistoric sea monsters, Gingerich has found the remains of unlucky humans. He moved down the spine toward the tail ...

These sea monsters grew upwards of 40 feet (12 meters) long. About half that length was neck, a feature that allowed Styxosaurus to sneak up on schools of fish as it slowly cruised the shallow ...

When the Earth's ecosystem is disrupted due to global warming, a plethora of prehistoric sea monsters wage war on Japan. Led by the powerful Raiga, the monsters ravage the city of Asakusa.

A resurfaced video of a 6-foot-long pliosaur skull — dubbed the "Underwater T-Rex" — is going viral, sparking online calls for its de-extinction. The ancient sea predator, discovered in 2023, once ...