Scientists believe that invisible, ‘self replicating’ robotic space probes sent by alien civilizations could already be in our solar system. A study conducted by The University of Edinburgh warns that the probes are probably so technologically advanced that they appear invisible to us since there is nothing we can use to detect them. Continue reading for a bonus video and more information.

Dr Forgan says that a probe’s camouflage could be set up to test the intelligence of our civilization, and only when a test is met, such as a species being able to detect a probe, would it attempt to communicate. According to The Daily Mail, “alien probes would have been programmed not to all arrive at the same time, or their presence could look like a hostile attack and cause panic on Earth.”

[Source]