Beware the Milky WayDrew Buckley/REX/ShutterstockBy Ken CroswellDon’t mess with the Milky Way. A dim galaxy in the constellation Hercules has learned this lesson the hard way after diving into our galaxy and being torn asunder by its gravitational pull. At least 50 galaxies orbit our own. The Hercules dwarf is currently 460,000 light years from Earth,...