Tyrannosaurus rex ran a body temperature of about 97 degrees Fahrenheit, or 36 degrees Celsius, nearly matching a living ...

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 ...

These cold-blooded killers were probably as warm-blooded as mammals, according to new research.

So much for any thoughts that mammals survived the asteroid because dinosaurs were too cold-blooded to survive.

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

As reported by WISN, the finding also puts T. rex's internal heat in the same neighborhood as humans, while still running colder than modern birds and hotter than modern cold-blooded reptiles, which ...

Scientists have measured the body temperature of Tyrannosaurus rex for the first time, using chemical clues preserved inside ...

It’s been 66 million years and science is still learning more about the most famous dinosaur.

T. rex is one of the most closely studied dinosaur species – but as it turns out, there’s still a lot to learn.

For over a hundred years, the world has loved to imagine Tyrannosaurus rex as a towering, toothy monster. It’s been both the ...