(CNN) — Tens of millions of years ago, an apex predator resembling a giant crocodile stalked the humid freshwater floodplains of southern Patagonia. Measuring up to 11.5 feet (3.5 meters) long and ...

The researchers determined that the skeleton belonged to a mature adult that weighed about 1.3 kilograms, or 2.9 pounds. The anatomy of the animal's limbs and claws indicate that it was arboreal and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The National Museum of Natural ...

From dire wolves to woolly mammoths, the idea of resurrecting extinct species has captured the public imagination. Colossal Biosciences, the Dallas-based biotech company leading the charge, has made ...