Dark Matter DIaries on Instagram: "“Alien Megastructures Hiding in Plain Sight” 🏗️🌌 Astronomers have detected strange cosmic structures that don’t behave like natural objects. Unusual stellar dimming, massive energy absorption, and impossible geometries have led some scientists to speculate about hidden alien megastructures such as Dyson spheres or star-scale engineering. While natural explanations exist, these anomalies continue to fuel debates about advanced extraterrestrial civilizations qu