Maybe an Asteroid Didn't Kill the Dinosaurs

The asteroid impact and dinosaur extinction, say the authors, may not have been simultaneous, instead occurring 300,000 years apart. That's an eyeblink in geologic time, but it's a relevant eyeblink all the same — one that occurred at just the right moment in ancient history to send the extinction theory entirely awry. ... "Not a single species went extinct as a result of the Chicxulub impact." ...