Terraforming is the process of rendering an environment habitable for particular inhabitants through the use of industrial technology applied on a planetary scale. Humans have been terraforming worlds...

Research stations situated in hostile settings, such as non-terraformed planets, are built airtight, with artificially raised or lowered pressure to create environments friendly to researchers. These ...

Platform-based colonization is the use of platforms as bases for building colonies in environments which provide no other means of stable settlement. Platforms can be orbital, situated within a planet...