Numerous countries and regions now have very active space programs, and the number is increasing. These maturing capabilities around the world create a plethora

Space policy is now a top priority in international relations. This timely Research Agenda takes the definition of space policy itself as an object of analysis

The Space Studies Board (SSB) was established in 1958 to serve as the focus of the interests and responsibilities in space research for the National Academies.

The National Research Council (NRC) has been conducting decadal surveys in the Earth and space sciences since 1964, and released the latest five surveys in the