ESA Sent a Digital Message Today to a Possible Extraterrestrial Civilization --"If We are In Danger of an Alien Invasion, It's Too Late"

Today's 14-minute digital transmission of 3,000 messages beamed toward Polaris, the North Star, by the European Space Agency's Cebreros deep-space tracking station in Spain ends a year-long effort known as "A Simple Response to an Elemental Message," spearheaded by Irish-born...