Prehistoric asteroid wiped out nearly all mammals as well as dinosaurs, research suggests Prison Planet.com Posted on June 20, 2016 Posted in Aggregated No Comments Tagged with Sci Tech London Independent | ‘More data shows the extinction was more severe than previously believed’ Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email