Science If it weren't for that meteor, would there still be dinosaurs?

A six-mile wide asteroid delivered the fatal blow to dinosaurs, who had already been struggling against a host of environmental threats. But what if the asteroid had missed Earth?

By , Staff writer

Koji Sasahara/AP

New research suggests that non-avian dinosaurs were driven to extinction not just by the six-mile wide asteroid that slammed into our planet some 66 million years ago, but by a number of other environmental threats.