t rex
The gist
A Science Advances study reports T. rex had a body temperature of about 97 degrees Fahrenheit.
The finding suggests the predator was warm-blooded, affecting how it could range across landscapes.
How it unfolded
- 2025A T. rex trackway was discovered in the Hell Creek Formation in southwestern North Dakota by Kent M. Hups, a teacher at Northglenn High School in Colorado.
- Sep 16, 2026A study published in Science Advances reported T. rex body temperature of about 97 degrees Fahrenheit (36 degrees Celsius).
- Sep 17, 2026AP reported UCLA scientists used fossilized teeth to measure T. rex temperature at 97 degrees Fahrenheit.