Sixty-six million years ago, the Cretaceous period ended. Dinosaurs disappeared, along with around 90% of all species on Earth. The patterns and causes of this extinction have been debated since ...

The Early Cretaceous represents a pivotal interval in Earth’s history, where marine palaeobiology and biostratigraphy converge to elucidate the evolution of marine ecosystems and their response to ...

For millions of years, the Late Jurassic and Early Cretaceous oceans belonged to enormous and scary hunters. Among them were pliosaurs with giant jaws, toothy crocodile-like reptiles (thalattosuchia), ...

Fossils reveal that giant predatory sharks existed 15 million years before megalodon and were already top predators in Cretaceous seas.

A giant turtle the size of a great white shark roamed the oceans around 80 million years ago, say scientists. It was one of the largest that ever lived - measuring more than twelve feet long and ...

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 ...

A new discovery has revealed a previously unknown species of mosasaur, Jormungander walhallaensi, shedding new light on the oceans of the Late Cretaceous period. Named after the legendary Norse sea ...