Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many ...

In two new studies, researchers at the State University of Campinas (UNICAMP) in the state of São Paulo, Brazil, have shed ...

New fossil studies reveal that ancient predators like saber-toothed cats vanished rapidly after their primary prey species declined.

The announcement that New Zealand's moa nunui (giant moa) is the next "de-extinction" target for Colossal Biosciences, in ...

A peculiar fossil egg, dubbed \"The Thing,\" discovered decades ago in Antarctica, has been identified as belonging to a ...

Molecules from the 20-million-year-old teeth of a rhino relative are among the oldest ever sequenced, opening tantalizing ...

New research suggests that they smashed animal bones into tiny pieces before boiling them to extract the high-calorie grease ...

Researchers have sequenced proteins from an ancient rhino relative from the cold, dry Haughton crater site (shown) in the ...

In two new studies supported by FAPESP, researchers at the State University of Campinas (UNICAMP) in the state of São Paulo, Brazil, have shed light ...

The largest sloth of all time was the size of an elephant. Known to paleontologists as Eremotherium, the shaggy giant ...

WASHINGTON - Scientists in recent years have made progress in finding ancient DNA in fossils, gaining insight into organisms ...

In 1996, when herpetologist Rafe Brown accompanied a few biologists to the Philippine island of Mindanao to study frogs, they heard a cacophony near their campsite. In a puddle that skirted the forest ...