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

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

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

In Colombia, a fossil-collecting rancher has found a giant, flightless killer from 13 million years ago — and a missing link ...

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

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

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

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

A team of researchers analyzed a 12-million-year-old fossilized bone discovered in Colombia's fossiliferous Tatacoa Desert ...

Researchers confirm the terror bird fossil 20 years after its South American discovery, comparing the creature to a massive, ...

Researchers including a Johns Hopkins University evolutionary biologist report they have analyzed a fossil of an extinct ...