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Published online 24 May 2005 | Nature | doi:10.1038/news050523-2
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Meteor theory gets rocky ride from dinosaur expert
US palaeontologist amasses data against Mexican crater hypothesis.
The widely held theory that a particular meteorite strike on Mexico wiped out the dinosaurs is under sharp attack, again.
The asteroid that created the Chicxulub crater in the Yucatán peninsula in Mexico arrived too early to have caused the Cretaceous-Tertiary mass extinction, according to evidence given on 23 May at an American Geophysical Union conference in New Orleans, Louisiana.
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