Tag - Alien Civilizations

Alien Civilizations Might Be Too Advanced For Us To Detect

Artist’s impression of an inhabited exoplanet. (NASA/Jay Freidlander)Given the Milky Way's age and size, we would expect to find intelligent civilizations scattered throughout. But where are they? A recent study suggests these civilizations might be so advanced that we simply can't detect them.Reevaluating the Detection of Extraterrestrial LifeIf extraterrestrials were observing Earth, they might...