When did dinosaurs go extinct? Fossils give exact timing.

Michael J. Benton is a professor of Paleobiology, University of Bristol. This story originally featured on The Conversation.

The dinosaurs were killed by a meteorite impact on the Earth some 66 million years ago in what has become known as the Cretaceous-Paleogene extinction event. At what time of the year this occurred has long generated debate among palaeontology enthusiasts.

A recent study published in Nature builds on earlier evidence to suggest the dinosaurs probably met their demise in June. The fact that researchers have been able to pinpoint the timing of an event…