Dinosaur Extinction Was Caused By More Than Just An Asteroid: Lava Flow Samples Suggest Double Disasters The asteroid impact indeed happened but it was not solely responsible for the extinction of the dinosaurs. It triggered earthly events that also contributed to the large-scale death of prehistoric species. by Rhodi Lee
Science Asteroid 'Double Whammy' May Have Triggered Massive Volcanic Eruptions, Ended Dinosaurs' Reign On Earth by Jim Algar