This dissertation traces a resurgent cosmological imagination in the architecture of the 1960s and 1970s. It documents how the exploration of outer space fueled a radical ecological architectural debate that addressed the reinvention of the household and domestic economy, as both a scientific and an ontological project. I am arguing that in the anticipation of a cosmic view and the search for our coordinates in the universe, there was a disciplinary inflation of previous perceptions of habitation, amplifying the household to an interplanetary organism that can capture the immensity of the cosmos and the obscure density of living systems. Reflecting the spectacle of a finite “spaceship-earth,” previous concepts of nature’s flawless preservat...