Mosasaurs are best known as fearsome marine reptiles that ruled the oceans at the end of the dinosaur era. But new research suggests these giant predators were not limited to the sea. Evidence from a ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.

And it was huge. The ancestor of today’s 20-foot great white shark was thought to be about 26 feet long, the authors of a ...

Prehistoric sea monster bigger than a killer whale may have terrorised rivers too - The mosasaur may have occupied a similar ...

A giant marine predator, once believed to roam only the seas, may have also inhabited ancient rivers 66 million years ago.

Almost a half-mile below Monterey Bay's surface, California scientists recorded rare footage of a seven-arm octopus eating a ...

A giant ocean predator that terrorised the seas during the time of the dinosaurs may have also hunted in rivers, a tooth ...

Mosasaurs, giant marine reptiles that existed more than 66 million years ago, lived not only in the sea but also in rivers. This is shown by new research based on analyses of a mosasaur tooth found in ...

Discover the extraordinary prehistoric giants – from mega-sloths to monster sharks – that once made today’s animals look ...

The nature documentary series uses new research and photorealistic CGI to bring the huge, bizarre animals of the Ice Age back ...

Rocky cliffs run into the Adriatic Sea near Ancona, Italy. There, above the pebbly coast in 2019, rock climbers explored ...