New evidence suggests comet or asteroid impact was last straw for dinosaurs
Thursday, February 7, 2013 - 15:00
in Paleontology & Archaeology
While many assume that a comet or asteroid impact killed off the dinosaurs, the actual dates of the impact and extinction are imprecise enough that some have questioned the connection. Scientists have now dated the extinction with unprecedented precision and concluded that the impact and extinction where synchronous. While global climate change probably brought dinosaurs and other creatures to the brink, the impact likely was the final blow.