Almost all marine mammals are carnivores: Think orcas, whales, dolphins, and even walruses and otters. Even baleen whales eat ...

In a discovery that is helping scientists understand how life recovered after Earth's most devastating extinction, researchers have found more than 30,000 fossils on the Arctic island of Spitsbergen, ...

Meet the legends of Earth’s prehistoric oceans, from the pliosaur – a gigantic, gnarly toothed creature – to the ichthyosaur, a majestic and speedy, dolphin-like predator.

An 11-year-old fossil hunter helped scientists discover remains of a giant marine reptile that lived about 202 million years ago and may have been the largest sea reptile ever.

Science gets more fascinating by the day. From astronomers plumbing the depths of the known universe to paleontologists studying ancient life forms, these experts are using their skills to better ...

Long before whales and sharks, enormous marine reptiles dominated the oceans with unmatched power. Scientists have reconstructed a 130-million-year-old marine ecosystem from Colombia and found ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth found in North ...