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

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

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 ...