Ospreys fly south for the winter after they hatch, usually to the Gulf Coast, where they remain for two years as they become ...

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 ...

Phorusrhacid birds, better known as "terror birds," were some of the most impressive predators to ever walk the Earth.

The fossilized leg bone of the terror bird went unidentified for almost 20 years. Nearly 12 million years ago, the largest ...

The fossil of a massive predator called a terror bird that roamed South America 12 million years ago is from the largest ...

Terror birds were apex predators some 12 million years ago in South America. A newly published discovery could be the largest yet.

A massive terror bird fossil, the largest of its kind, was recently uncovered in Colombia’s desert—shedding light on ancient ecosystems.