The Search For Extraterrestrial Intelligence Should Include Alien Defense Systems, Scientists Suggest0

• From Around the Web, Space
• December 23, 2016

A couple of scientists have considered how the search for extraterrestrial intelligence is conducted and, working off the idea that sufficiently advanced alien beings would at least attempt to build defensive structures around their world to defend against potentially catastrophic extraplanetary threats, suggest that one way such beings might be found would be through their defense systems. In fact, the scientists contend, the aliens would not necessarily have to be much more advanced than humans.