Researchers identified the Chicxulub impactor as an exceptionally rare type of asteroid that wouldn't have triggered a mass extinction in the way scientists previously thought.

Findings really underscore ‘how unlucky the dinosaurs were,’ researcher says

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Researchers identified the Chicxulub impactor as an exceptionally rare type of asteroid that wouldn't have triggered a mass extinction in the way scientists previously thought.

The dinosaurs had a good run, but when their time was up, it was very much up.