Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...

In its 4.5 billion year history, Earth has undergone five mass extinctions and we are potentially in a sixth era of mass ...

It was a highly significant event and is classed as one of the ‘Big Five’ mass extinctions of the Phanerozoic Eon ... it ...

Most people think of crocodilians as living fossils—stubbornly unchanged, prehistoric relics that have ruled the world's ...

Discover how crocodiles survived two mass extinctions thanks to their flexible diets and habitats, according to research.

Learn why a comprehensive comparison of crocodile skulls, teeth, and jaws hints that generalists, not specialists are best ...

On land, large herbivores like Moschops also disappeared. This extinction cleared the way for dinosaurs but wiped out most large amphibians and early archosaurs—creatures that would’ve ...

The secret to their longevity could help conservationists better protect species today threatened by extinction.

Utah researchers say they believe they now know how existing crocodile, alligator and gharial species survived a pair of mass extinction events — information that could fuel future research.

Earth has experienced five mass extinctions in its history ... masks a massive diversity of dietary ecologies in which past crocodylomorphs thrived. During the Late Triassic Period (237–201.4 ...