Kenny Chaffin January 13, 2023 11:12am Because Technology Continues to Advance https://www.sciencealert.com/space-probes-sent-by-aliens-could-arrive-in-reverse-heres-why #technology #science #space #contact Space Probes Sent by Aliens Could Arrive in Reverse. Here's Why. If we ever detect an Extraterrestrial Civilization (ETC) and start communicating with them, the messages could take years, decades, or even centuries to travel back and forth.