Currently being discussed in the Conference on Disarmament (CD).
In 1959, the UN General Assembly established the Committee on the Peaceful Uses of Outer Space (COPUOS) in Resolution 1472 (XIV). This committee identified areas for international cooperation in the peaceful uses of outer space, devised programs to be undertaken by the United Nations, encouraged research on matters relating to outer space, and studied legal problems arising from the exploration of outer space.
During the 1960s and 1970s a number of agreements were adopted to prevent the weaponization of outer space. These include the Partial Test Ban Treaty, formally titled the Treaty Banning Nuclear Weapon Tests in the Atmosphere, in Outer Space and Under Water (1963), the Outer Space Treaty, formally titled the Treaty on the Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies (1967), the Rescue Agreement, formally titled the Agreement on the Rescue of Astronauts, the Return of Astronauts and the Return of Objects Launched into Outer Space (1968), the Agreement Relating to the International Telecommunications Satellite Organization “Intelsat” (1971), the Liability Convention, formally titled the Convention on International Liability for Damage Caused by Space Objects (1972), the Launch Registration Convention, formally titled the Convention on the Registration of Objects Launched into Outer Space (1975), the Moon Agreement, formally entitled the Agreement Governing the Activities of States on the Moon and Other Celestial Bodies (1979).