Science

Essays, quotes, and a radio interview from science fiction author Sylvia Engdahl, about the importance of expanding beyond Earth.

Interview with Gerard K. O'Neill by John Kraus of COSMIC SEARCH.

Vision of "people living and working in thriving communities beyond the Earth".

An essay by science fiction author Sylvia Engdahl on why colonizing space is essential to human survival.

Encyclopedia article on the relationship between the colonization of space and the long-term survival of the human species.

Essay describes space scientist Carl Sagan's thoughts on why human flights to space should continue.

Short manifest for space colonisation.

Article by Michael Huang suggesting a new "space flag" as a rallying point for human colonization of space.

Explanation of why large space projects (such as solar power satellites, O'Neill colonies, etc) will necessarily be government funded public works, at least at first, rather than created through pure private enterprise.

An analysis of methods for interstellar travel, with a focus on perhaps the most realistic option for success - a large vehicle capable of sustaining thousands of inhabitants for hundreds of years.

Interview with Britain's Daily Telegraph in which eminent cosmologist Stephen Hawking warns that the human race is likely to be wiped out before the millennium is out unless we set up colonies in space.