As well as revising the taxonomy of this giant octopus, researchers were able to use this newly identified, well-preserved ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

A giant "sea dragon" backbone plucked from a riverbank in Mississippi could belong to the largest mosasaur ever found in the state, scientists say. Researchers only found a single vertebra from the ...

Geologists recently discovered the fossil of a Cretaceous-era mosasaur vertebra near Starkville, Mississippi. The experts believe the apex predator of the ancient seas could have weighed 20,000 pounds ...

Study of fossilised beaks shows patterns of wear and suggests some ancient species were up to 19 metres long ...

The "enormous" creatures were active carnivores who routinely crushed hard shells and bones with their powerful bites.

The Hell Creek Mosasaur, reconstruction by Christopher DiPiazza. Please note that more images and a short video are available at this link: https://springernature-my ...

Some 80 million years ago, the late Cretaceous oceans were patrolled by 17-meter mosasaurs, long-necked plesiosaurs, and ...

A fossilized ancient egg discovered in Antarctica nearly a decade ago has finally been identified, shedding new light on ...

The 'Kraken' of Norse mythology is one of the most famous sea monsters, often depicted as a giant octopus attacking passing ...