T. rex was closer to a bird than a crocodile in body temperature? New fossil tooth study reveals how the dinosaur survived Arctic winters and hunted across North Am…

Scientists determined Tyrannosaurus rex had a body temperature around 97.3 degrees Fahrenheit. This was calculated by ...
as.com

Scientists say they may have discovered why T. rex had such small arms: “Evolution doesn’t like to have everything all at once”

A new study suggests Tyrannosaurus rex’s tiny arms were the evolutionary price of developing a gigantic head and a devastating bite. For decades, the small arms of Tyrannosaurus rex have been one of ...

Tyrannosaurus rex was warm-blooded, new study confirms

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Phys.org

T. rex's direct ancestor crossed from Asia to North America, new study finds

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new study led by UCL ...