SMRTR Science & EngineeringMay 7, 2025Interesting Engineering

T-rex’s ancestors journeyed from Asia around 70 million years ago, suggests study

SMRTR summary

Ancient tyrannosaurs migrated from Asia to North America over 70 million years ago, crossing a land bridge in the Bering Strait. This journey led to the evolution of Tyrannosaurus rex in North America. The study also revealed that megaraptors, another group of large predatory dinosaurs, originated in Asia and spread globally, adapting to cooler climates alongside tyrannosaurs.

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