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Tyrannosaurus Rex Was a Warm-Blooded Dinosaur, With a Body Temperature Similar to That of Humans, Study Suggests

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 to Mexico during the Cretaceous period

Tyrannosaurus Rex Was a Warm-Blooded Dinosaur, With a Body Temperature Similar to That of Humans, Study Suggests

We haven't written up this one. Smithsonian has the full story — the link below goes straight to it.

Read the original at smithsonianmag.com →

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COSI Telescope Comes Together

UC Berkeley engineers and managers watch as the COSI (Compton Spectrometer and Imager) detector assembly is slowly raised from a table in this July 8, 2026, image.

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