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Alien creature has a message for humans. Grey kind humanoid from an other planet portrait series.

Breakthrough Team Proposes Caution in Messaging Extraterrestrials

Carl Sagan had warned about making oblivious assumptions about exactly what’s out there

At Universe Today, science writer Matt Williams tosses another hypothesis into the ring as to why we don’t see ET: Maybe, universally, everyone is listening but no one is broadcasting. Or few are, anyway. Now why might that be? He outlines a distinction between two different approaches to the search for extraterrestrial intelligence (ET): SETI and METI Most efforts to date have been SETI (Search for Extra-Terrestrial Intelligence) where we are looking for them. That encompasses projects like Cornell Astronomer Frank Drake’s pioneer Project Ozma (1960) and the current Allen Telescope Array. More projects now, Williams says, are METI (Messaging Extra-Terrestrial Intelligence). We could include in that group the three-word Soviet Morse Message (“peace,” “Lenin,” and “SSSR,” radioed into space…