Andromeda

Our home, the Milky Way Galaxy, has begun colliding with the Andromeda Galaxy! What will be the impact on the Earth? Find out what NASA says, courtesy Hubble Space Telescope! …

When two galaxies collide, the supermassive black holes at their cores release a devastating gravitational "kick," similar to the recoil from a shotgun. New research led by CU Boulder suggests that this kick may be so powerful it can knock…