Those structures had to be made of something, possibly proteins, Schweitzer reasoned, launching her quest to recover remnants ...

Researchers uncovered blood vessels in Scotty, the largest T. rex fossil. High-powered x-rays revealed mineralized tissues that deepen our understanding of dinosaur biology. Although much of modern ...

Astonishing traces of blood vessels inside a T. rex fossil are rewriting what scientists thought they knew about dinosaur ...

A refined type of spectroscopy could advance a long-standing debate about the presence of dinosaur soft tissue ...

A specimen discovered in Mongolia is the most complete fossil yet found of a pachycephalosaur, a dinosaur believed to be ...

Dinosaur fossils reveal preserved blood molecules, reshaping how scientists understand fossil chemistry and deep-time ...

Scientists have uncovered remarkable traces of hemoglobin in ancient dinosaur bones.

Paleontologists have found the fossilized remains of the oldest dome-headed dinosaur ever discovered. The skeleton, found in the Khuren Dukh formation in Mongolia, belongs to a new species of ...

A dinosaur dubbed one of the "strangest" ever found boasted an elaborate armory of long bony spikes and a tail weapon, ...

A paleontologist stumbled upon an exciting find when the man discovered a T-Rex tooth that was still rooted while he was ...

The end-Cretaceous was the age of the dinosaurs, an era populated by iconic prehistoric creatures like Ankylosaurus, ...

Mazon Creek is one of the most significant fossil sites in the world, and it’s in Chicago’s backyard. The Field Museum is ...