A study of Tyrannosaurus rex teeth has given scientists the first measurement of the dinosaur's body temperature, CNN reports. The findings indicate the giant predator ran at roughly 97 degrees Fahren
The result points to the T. rex being warm-blooded, according to New Scientist. The New York Times also reported the temperature figure, while the Los Angeles Times framed the finding by noting that h
The work was published on Wednesday, September 16, 2026, and drew coverage from multiple outlets. The reports describe the measurement as the first of its kind for the species, based on analysis of th

The finding adds to a long-running debate over whether dinosaurs were cold-blooded like modern reptiles or generated their own body heat like birds and mammals. Because the measurement comes from teet
Researchers are likely to apply the same method to other dinosaur species to see whether warm-bloodedness was widespread among the group.
A new study using T. rex teeth finds the dinosaur's body temperature was close to that of modern humans, suggesting it w