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 ...

Evolutionary biologist Federico Degrange from Argentina's Center for Research in Earth Sciences and colleagues found the bird ...

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

A 12-million-year-old fossil of a prehistoric "terror bird" discovered in South America might represent the largest known ...

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

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

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

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

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

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

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