Dinosaur DNA may still be out of reach, but scientists are uncovering something almost as exciting—ancient blood vessels ...

A University of Regina research team has made discoveries about how dinosaurs may have healed from injuries when they examined the preserved blood vessel structures inside a rib bone from Scotty, the ...

Scientists found preserved blood vessel structures in a T. rex fossil, offering new insight into dinosaur healing and fossilization.

WASHINGTON -- For more than a century, the study of dinosaurs has been limited to fossilized bones. Now, researchers have recovered 70-million-year-old soft tissue, including what may be blood vessels ...