This is a fascinating story of the interaction of two very iconic animals in the past,” the study’s lead author told NBC News ...

A 13-million-year-old leg bone from an enormous flightless bird carries crocodilian tooth marks, showing South America was ...

Teeth marks made on the leg bone of a large avian reptile known as a terror bird 13 million years ago suggest an even bigger ...

The terror bird. It’s a name that strikes fear, and with good reason. These “super predators” from the Phorusrhacidae were a ...