Nuclear Thermal Propulsion - Information resources on space nuclear propulsion, space policy and other nuclear related topics by the Federation of American Scientists. Includes space policy, technical, strategic defense and space exploration information.

NuclearSpace - Pro-nuclear space movement providing news coverage, editorials and articles about the use of nuclear energy in space research and exploration. Includes message board and discussion forum.

Space Exploration Nuclear Propulsion - Discusses the scientific aspects of nuclear propulsion in space. Includes technical concepts, technology basics with schematic diagrams, history and topical interviews with scientists and astronauts.

Will Nuclear Power Put Humans On Mars - Article on the history and possible future applications of nuclear power in space.