Heykuki News
Top
New
Best
Ask
Show
Jobs
Toggle theme
Login
Top
New
Best
Ask
Show
Jobs
Alien Supercivilizations Absent from 100,000 Nearby Galaxies
scientificamerican.com
35 points
sriku
11 years ago
57 comments
Loading...
Alien Supercivilizations Absent from 100,000 Nearby Galaxies | Heykuki News