A sharp plunge in ocean calcium levels may be the missing link in Earth’s long transition from a hot, dinosaur-era greenhouse to the cooler, polar-capped world of today. A new study reveals that this ...

Mosasaurs were the apex predators of the oceans during the reign of the dinosaurs, but new research reveals dinosaurs weren't safe from them in rivers either. Researchers from Sweden, the US, and the ...

Forgotten fossils from the Kimberley show how marine amphibians rebounded and spread across the globe after the end-Permian mass extinction.