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 ...

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

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

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

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 ...

Tyrannosaurus rex is still the biggest, baddest land predator of all time. It was the size of a city bus, with a head almost as long as Tom Cruise is tall and a smile every bit as devastating.

It's extremely rare to find a complete skeleton of a dinosaur. It's rarer still that such a skeleton needs to be found twice. Such is the fate of "Stan" the T. rex, a massive, mostly complete skeleton ...

This updated evolutionary timeline stems from a study published in Royal Society Open Science, which combines fossil distribution data with evolutionary trees and paleoclimatic models. Scientists now ...

DENVER (WKRC/KUSA/CNN Newsource) - Scientists at the Denver Museum of Nature and Science made an unexpected discovery right beneath their feet while conducting research in the museum's parking lot.

Paleontologists are divided on the origin of one of our favorite dinosaurs, Tyrannosaurus rex. Some say its ancestry is firmly rooted in North America. Others aren't convinced. An international team, ...