The Ordovician Period was around 485 to 444 million years ago and had a thriving ecosystem beneath the water, before fauna ...

It sounds like science fiction, but a couple of groups of genetic researchers are actively working on bringing back extinct species like the wooly mammoth and the Dodo bird. It’s a complicated issue, ...

Surprising new fossil evidence undermines the idea that there was ever a mass extinction on land – and may force us to ...

What happened to all the megafauna? From moas to mammoths, many large animals went extinct between 50 and 10,000 years ago.

Study by UChicago, Smithsonian, UK Natural History Museum challenges assumptions about survival after global catastrophe ...

Researchers analyzed fossils and DNA to get a big-picture view of sloth evolution and determine what drove their immense size ...