The interstellar travel and deeps space exploration is a long-standing scientific desire in the space community. The current theories present an inclusive overview of behaviors of various space objects in the deep space. The experimental investigation requires missions to capture images of the deep space and develop conclusive evidence for the deep space events. The nearest star Proxima Centauri is at a distance of 4.24 light-years from the earth, and mission to such a star with current propulsion systems takes many years. There limitations with the deep space communications with the ground station, and space weather. The alternative to such a futuristic mission can be Nuclear Space propulsion, which can reduce travel time between different destinations in deep space. Communication is still a challenge and a limited amount of work has been done on quantum communication as a substitute to electromagnetic wave communication. There are also challenges with the signal loss and attenuation of frequencies at the receiver end. This paper presents the developments in nuclear space propulsion and future possibilities for interstellar travel, and future need for technological developments. The functionality of a thermal propulsion system is many conventions. There are many developments in the propulsion methods like electrical propulsion, Ion propulsion, Antimatter propulsion; however, the fission-based nuclear thermal propulsion advancements have an edge towards all the proposed methods.

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