Mammals Were Already Flourishing When The Axe Fell On The DinosaursUniverse TodayAs it turns out, mammals may have been well on their way to displacing the dinos long before the Chicxulub meteor hastened the dinosaur's demise.The Latest Worldwide Meteor/Meteorite News 13JUN2016The Latest Worldwide Meteor/Meteorite NewsThe Latest Worldwide Meteor/Meteorite News 12JUN2016. ASU granted special