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 ...

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

A Colombian rancher has discovered a fossilized bone that points to the existence of a giant terror bird species. The fossil, ...

A fearsome flesh-eating bird from the Phorusrhacid family - known as "terror birds" - may be the largest of its kind ever ...

A massive meat-eating bird sat high atop the food chain about 12 million years ago. Researchers analyzed a bone of the ...

A 12-million-year-old fossil has revealed what may be the largest known "terror bird" ever found, according to ...

While past terror bird fossils placed the meat-eating birds at 3 to 9 feet tall, new findings suggest that some were even ...

Evolutionary biologists report they have analyzed a fossil of an extinct giant meat-eating bird -- which they say could be the largest known member of its kind -- providing new information about ...

The mostly flightless, meat-eating dinosaur descendents were the size of dogs at their smallest, but the largest known ...

The fossil was on display in a museum, but unlabeled and hidden right under paleontologists’ noses for 20 years.