Megaraptorids are known for somewhat small but sharp teeth, air-filled bones, and powerful forelimbs with enormous claws.

Kangaroos are the largest marsupials alive today. The largest species of kangaroo (by weight) is the red kangaroo, which can stand more than five feet tall-not including a three-foot-long tail-and ...

DINOSAUR hunters have made a spectacular discovery which sheds new light on a giant “mega raptor” that stalked the Earth 120 million years ago. Palaeontologists in Australia came ...