Full Title: Treaty on Principles Governing the Activities of States in the
Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies
Adopted: 27 January 1967;
Entry into force: 10 October 1967

The Outer Space Treaty provides for normative background on the exploration and use of outer space. It sets out general principles, including that the exploration and use shall be carried out for the benefit and in the interest of all countries and that space shall be free for exploration and use by all States.