Alien civilizations - Topic Home

Alien civilizations - Link Updates List

Universe Has Probably Hosted Many Alien Civilizations: Study | Space

https://www.space.com/32793-intelligent-alien-l...

How many alien civilizations are out there? A new galactic survey holds a clue.

https://www.nationalgeographic.com/science/arti...

The Milky Way is full of habitable real estate, with roughly half of all sunlike stars...