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

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

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 ...

For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.

Researching their diet and ability to adapt to planetary upheavals to help protect the most vulnerable species today.

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...

It turns out it does matter what you eat, especially to crocodylians — crocodiles, alligators and gharials — a species ...

Staring at a crocodile or alligator can feel like looking back in history to the age of the dinosaurs. Their ancestors have ...

The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...