A concern shared by many people today is over whether or not it's wise to send messages into deep space. If aliens receive our missives, how do we know they're friendly and won't take an unhealthy interest in our planet? Any number of science fiction films describe the catastrophic results of an unfriendly visit by extraterrestrials. Maybe they will come to serve man -- in a soufflé. Lately, these and other anxieties have been the subject of lively chatter on sites like BBC News, Live Scienc...
Published on March 05, 2015 03:20