The cold war took the world by strides after Second World War and continued till early 1990’s until the disintegration of the USSR, More than a war, it was an ideological conflict. It was a conflict between what was a better way to run the world- Capitalism or Communism. Cold war refers to a situation where the countries are not actually at war with each other but still tensions prevail between them. It was a decade’s long struggle for global domination and impacted each and every aspect of the world from politics to society and from economy to the science. The cold war resulted in the space war between the two power blocs in order to prove their supremacy before the world. During the cold war years a number of missions were undertaken both by the USA and USSR to prove their supremacy. Moreover at the same time so as to prevent the indiscriminate misuse of the space a number of treaties and conventions also came into the picture. This project focuses on what cold war was and how it resulted in the space war. Along with this various space missions and treaty conventions have also been dealt it detail.