Extraterrestrial civilizations may lurk in the Milky Way that might not be friendly
The Milky Way is home to millions of potentially habitable planets — and approximately four of them may harbor evil alien civilizations that would invade Earth if they could, new research posted to the preprint database arXiv suggests. The new paper, which has not yet been peer-reviewed, poses a peculiar question: What are the odds that humans could one …
