In the dark seas of the ancient world, few creatures were as interesting as the plesiosaur: a long-necked marine reptile with four large flippers. These fearsome predators dominated the oceans in the ...

A research group may have unraveled the mystery behind the locomotion of the ancient marine reptile, the plesiosaur, by recreating a bio-inspired control system that accounts for motion adjustment.

Have you ever wanted to meet a dinosaur, or have one as a pet? Well, a recent social media post made the case that someone authentically captured video footage of one of the creatures swimming. A ...

Researchers at Lund University in Sweden have analysed the soft tissue from a fossilized plesiosaur for the first time. The results show that the long-necked marine reptile had both smooth and scaly ...

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 ...