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 ...

Volunteer fossil hunters and trained paleontologists uncover a new Australian dinosaur and the oldest known megaraptorid.

From the start, the earthworm is built for romance, with four or five pairs of hearts. Finding a match, though, that’s a ...

Researchers have discovered a 149-million-year-old bird fossil in southeastern China, featuring a short tail structure that ...

Biomechanics is the scientific study of the mechanics of living structures, or of non-living structures such as silk or nacre that are produced by organisms. Astraeus jewel beetles flick ...

In the Open Beta, there is no Turf War interaction with Chained Arkveld, but in the full release, it may absorb elemental power from other monsters during fights. If that happens, be prepared for a ...

A mantis shrimp's punch creates high-energy waves. Its exoskeleton is designed to absorb that energy, preventing cracking and tissue damage.

It has a long neck, tail and legs, and the extended hands give the forelimbs more length, according to the study. Other ornithomimids were covered with feathers, according to BBC Wildlife ...

A team of geologists, paleontologists, and climate scientists with members from institutions in Mexico, the U.S., and Spain has identified a new genus and species within the Ornithomimidae family. In ...

Tau hyperphosphorylation and conformational changes in the brain parenchyma start around seven months. Tangle-like pathology is mainly observed in the brain stem and spinal cord, and to a lesser ...