A remarkably preserved T. rex nicknamed “Rex Junior” could reveal new clues about what the famous dinosaur actually looked ...

India, Sept. 24 -- Palaeontologists have unveiled the first recorded trackway of an adult Tyrannosaurus rex, following a remarkable fossil discovery in the rugged badlands of North Dakota. The ...

The first known T. rex track of footprints stretches over 23 feet in North Dakota's Hell Creek Formation, with four massive ...

The first-ever discovery of a T. Rex trackway is coming to the Denver Museum of Nature and Science, after one Denver teacher ...

By analyzing the chemical makeup of ancient tooth enamel, researchers have successfully calculated the body temperature of the Tyrannosaurus rex for the first time, confirming the iconic predator was ...

Scientists examining Scotty, the largest T. rex skeleton ever discovered, found an extraordinary network of mineralized blood ...

A new study has found that the T. rex's body temperature was similar to humans. Most scientists agree that the fearsome ...

Chemical clues preserved inside fossilized T. rex teeth reveal that the dinosaur maintained a body temperature of about 97 degrees Fahrenheit, almost identical to humans. The finding provides direct ...

Despite being extinct for over 65 million years, the T. rex could be studied because the team discovered a power beyond time, ...

A broken rib from Scotty, the largest known T. rex skeleton, contains an extraordinary fossilized network of blood vessels formed while the dinosaur was healing. Scientists used neutron and X-ray ...

Hotter than a crocodile, cooler than a chicken, T. Rex was definitely warm-blooded, according to a new study. By Carolyn Y.