The content originally appeared on: CNN Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. They descend en masse after a scout has identified the target hive, killing the defending adult bees, occupying their nest and harvesting the bees' brood to feed to their own young. The marauders can decimate a hive in hours. But honeybees aren't defenseless against the so-called murder hornets, which are native to Asia but […]