The giant meat-eating Phorusrhacid birds, also known as “terror birds", are believed to be most impressive predators on Earth ...

They also estimated the bird’s weight to be 156 kilograms, about that of a giant panda (Ailuropoda melanoleuca), which would ...

This week, uncover the secrets of Pompeii through ancient DNA, meet an adventurous emperor penguin, seek signs of mysterious ...

Analyzing a leg bone from a fossil site in Colombia, scientists have identified a massive “terror bird” that lived about 12 ...

The bone, described two decades after its discovery, suggests the species might have grown up to 20 percent bigger than other ...

The fossilized leg bone of a giant “terror bird” discovered in Colombia provides new insights into ancient South American ecosystems, suggesting the bird was a major predator in a once-lush region ...