In an astonishing discovery, scientists there found two marsupial species that were believed to be extinct for over 6,000 ...

Lazarus taxa, where a species is declared extinct but later learned to be alive and kicking, is the reason people think the ...

Two marsupial species thought long extinct, until now known only from fossils, were found alive in New Guinea through a collaboration of scientists, indigenous communities and citizen scientists. The ...

Researchers identified an early mammal ancestor whose eggs may have helped it survive the Great Dying 250 million years ago.

Five “missing” bird species — not seen, heard or documented in the wild for a decade or more — were “found” in 2025, ...

Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including ...

Palaeontologists have used an Ice Age fossil found 120 years ago in an underground cave to reveal extinct giant echidnas roamed south-eastern ...