Massive volcanoes, meteorite impacts delivered one-two death punch to dinosaurs
Thursday, November 17, 2011 - 15:50
in Paleontology & Archaeology
A cosmic one-two punch of colossal volcanic eruptions and meteorite strikes likely caused the mass-extinction event at the end of the Cretaceous period that is famous for killing the dinosaurs 65 million years ago, according to two reports that reject the prevailing theory that the extinction was caused by a single large meteorite.