A Scan Of 100,000 Galaxies Shows No Sign Of Alien Mega-Civilizations
A pioneering infrared scan of 100,000 galaxies by Penn State astronomers has failed to detect any signs of galaxy-spanning extraterrestrial supercivilizations. This result, though very preliminary, may be a sign that aliens aren’t capable of conquering entire galaxies. Above: A false-color image of the mid-infrared emission from the Great Galaxy in Andromeda, as seen by…