Why did the dinosaurs become extinct? If you said the Yucatan Meteor you would be wrong as the carcasses of dinosaurs are found below the iridium dust layer from that final event. New science has established an alternate reason. Ancient historians chronicled the events and physical evidence supports the description of a massive war between the people on Earth and those living in an alternate universe we can call Heaven. The aftermath was horrible as the Earth was left in shambles. This books looks at the causes, the events leading up to the devastation, and the outcome and view of the world after this horrible extinction period that ended the Cretaceous Era .