Dinosaur-killing asteroid sparked global firestorm
Wednesday, April 10, 2013 - 12:31
in Paleontology & Archaeology
By Megan GannonLiveScienceThe huge asteroid impact thought to have wiped out the dinosaurs some 65 million years ago may have painted the sky a blazing-hot red and sparked a cataclysmic global firestorm, researchers say.Most scientists believe the mass die-off known as the K-T extinction — which saw up to 80 percent of all species vanish — was caused by an asteroid or comet that carved out the 112...