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 ...

A: Well, there are small, red structures within the vessels that look like nucleated red cells. So on the surface, this is a case of "if it looks like a duck…." But after 70 million years, just ...

Paleontologists have recovered what appear to be soft tissues from the thighbone of a 70-million-year-old Tyrannosaurus rex, potentially enabling dinosaur research to make a leap into the study of the ...

WASHINGTON - Dinosaurs aren't just piles of dusty bones anymore. In an announcement that conjured up thoughts of the movie "Jurassic Park," researchers revealed they had recovered soft tissues that ...

Blood vessel structures found preserved in a famous T rex fossil are helping scientists understand how dinosaurs healed from injuries. Scotty, nicknamed for a celebratory bottle of scotch used the ...