A study indicates that dinosaurs were not in decline before the meteorite impact, as some theories suggest
Although it is accepted that the impact of a large meteorite was what caused the extinction of the non-avian dinosaurs at the end of the Cretaceous, there are various theories as to whether their disappearance was sudden or if their population was already in gradual decline. An international team with Spanish participation has analyzed new fossil data from northern New Mexico (USA) and concluded that they were not in decline, but were abruptly exterminated by the impact that occurred some 66 million years ago. The results are published in the journal Science.
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