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 ...

A tooth analysis hints that the fearsome predator ran at a toasty 97 degrees Fahrenheit. Maintaining that internal temperature may have allowed it to inhabit a range stretching from modern-day Alaska ...

If you’ve been to the Natural History Museum of Los Angeles County, you’ve probably been wowed by the fossilized remains of ...

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

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 ...

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

By using fossil teeth, scientists measured T. rex’s body temperature for the first time. They found evidence of an active, warm-blooded predator.

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 ...