The sudden heat altered oceans' chemical composition, which affected some top aquatic reptilian predators more than some ...

Ruby Reynolds and her father were on the beach when they discovered Ichthyotitan severnensis - the largest-ever marine ...

The highest trophic niches in Mesozoic oceans were filled by diverse marine reptiles, including ichthyosaurians, ...

The creatures cruised the world’s oceans with features we often associate with marine mammals, such as coats of blubber and ...

The aquatic reptile was a relative of dinosaurs and is a distant ancestor of modern crocodiles and birds, all of which belong to the major clade Archosauromorpha. Dinosaur eggs! Credit ...

Geologists near Starkville found a bone of a Mosasaurus hoffmannii, one of the biggest species of mosasaurs, which could reach lengths of 50 feet.