The meat-eating dinosaur Dilophosaurus wetherilli has eight major injuries (indicated by the stars), twice as many as Sue, the Tyrannosaurus rex at the Field Museum in Natural History in Chicago.

WASHINGTON, June 22 (UPI) -- U.S. and Chinese scientists say their discovery of a beaked, plant-eating dinosaur fossil shows how birds' three-fingered claws evolved from dinosaurs. The researchers ...

A two-fingered dinosaur may help researchers better understand how animals lose fingers and toes through evolution. Oviraptorids, a group of bird-like dinosaurs that lived in what is now China and ...

A Jurassic-age dinosaur suffered from eight devastating maladies during its lifetime that likely caused the paleo-beast an enormous amount of pain and possibly made it difficult to hunt, a new study ...