A fractured rib from the largest Tyrannosaurus rex ever described has yielded something paleontologists once thought ...
A fractured rib from one of the largest Tyrannosaurus rex specimens ever found still contains a network of structures that ...
Dinosaur DNA may still be out of reach, but scientists are uncovering something almost as exciting—ancient blood vessels hidden inside fossilized bones. In a massive Tyrannosaurus rex nicknamed Scotty ...
Scientists found preserved blood vessel structures in a T. rex fossil, offering new insight into dinosaur healing and fossilization.