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

Also read Undiscovered Chopin Waltz Found in New York Library After 200 Years This fossilized leg bone suggests that the newly discovered terror bird could be the largest member of the species found ...

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

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

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

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

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

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 ...