Space and survival refers to a position stating that the long-term survival of the human species and civilization requires proper use of the resources of outer space, and in particular space colonization and space science, as failing to do so, it could lead to human extinction scenarios. A related observation is the limited time and resources thought by some to be available for the colonization of space. Various scenarios regarding human survival have been discussed in science as well as popular culture. The article will cover speculations about how mankind can survive post future catastrophic events in the evolution of the solar system as well as the factors that could help or hinder this survival.