#DysonSphere

Science & Technology | Cool Stuff

Dyson Spheres, The Ultimate Alien Megastructures, Are Missing From The Galaxy

Humanity has mapped the Milky Way better than ever with ESA's Gaia. But 1.7 billion stars later, there are still no Dyson spheres.

Science & Technology | Cool Stuff

I’m STILL Not Sayin’ Aliens. But This Star Is Really Weird.

A star that made headlines due to weird brightness dips—leading to speculations of aliens building structures around it—is even weirder than we thought.

Science & Technology | Cool Stuff

A New Type of Dyson Sphere May Be Nearly Impossible to Detect

Over fifty years ago, physicist Freeman Dyson proposed an awesome, if slightly insane, idea: That an advanced alien civilization might construct a massive, energy-harvesting sphere around its star, and bunk up inside.