Reach out and touch an alien? Movies offer little guidance
Friday, February 13, 2015 - 16:00
in Astronomy & Space
Astronomers are debating whether it would be a good idea to send signals into the universe, looking for extra-terrestrial life. Since we don't know who might respond, some argue we'd be asking for cosmic trouble. Such is the dilemma often wrestled with in science-fiction movies, where aliens sometimes come in peace - and often do not:...