Scientists analyzing fragments of poorly preserved dinosaur bones excavated more than a century ago have discovered what appear to be red blood cells and collagen fibers, soft tissues that thus ...

Jurassic Park saw dinosaurs brought back to life based on DNA preserved in the gut of a blood-sucking mosquito entombed in amber. Now we have found what appears to be real dinosaur blood inside a ...

boasting microscopic structures that appear to be red blood cells containing nuclei as well as rope-like collagen fibers, scientists said on Tuesday. It is extraordinarily rare for such ancient ...