SMRTR Science & EngineeringOct 23, 2025Science News

Dinosaurs were thriving before the asteroid hit, new analysis suggests

SMRTR summary

New analysis of rock formations in New Mexico reveals that diverse dinosaur communities, including crested hadrosaurs and long-necked sauropods, were thriving just hundreds of thousands of years before the asteroid impact 66 million years ago. This evidence challenges theories that dinosaurs were already declining before extinction.

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