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 ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater ...

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

Having been nearly wiped out altogether, UK otters are making a come back and some are even now seen in cities.

Florida’s fresh bodies of water are perhaps best known for the southern state’s most iconic resident: the American alligator.

A Brookfield man turned himself in to police Monday on animal cruelty charges after a months-long investigation revealed two ...

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

Pigs, rats, cats and mongooses, all brought to the island decades earlier by humans, were to blame for their demise, preying ...

A 66-million-year-old tooth discovered in North Dakota, USA, suggests that some mosasaurs — extinct lizard-like reptiles that ...

Until now, these terrifying giant aquatic reptiles with a bulky skull and powerful jaws were thought to be sea-dwelling ...

The size of the tooth testifies to an impressive creature that could grow up to 11 metres long. Reconstruction by Christopher ...