Space robots represent one of humanity’s most advanced technological achievements, serving as essential tools for exploration, maintenance, and research beyond Earth. These robots are designed to operate in extreme environments where human presence is dangerous or impossible. Their applications span from planetary exploration, satellite servicing, and space station maintenance to deep-space missions and asteroid mining. Rovers like NASA’s Perseverance and Curiosity have revolutionized our understanding of Mars by conducting geological surveys, searching for signs of past life, and preparing data for future human missions. Similarly, robotic arms like Canadarm2 on the International Space Station highlight the critical role of space robots in construction and repair tasks in orbit. Powering space robots is a significant engineering challenge, with technologies ranging from solar panels and batteries to nuclear energy sources like radioisotope thermoelectric generators (RTGs) for long missions in dark or distant regions. Communication between space robots and Earth involves advanced antenna systems and deep-space networks, ensuring that scientific data can be transmitted across millions of kilometers. The responsibility of space robots goes beyond exploration; they play key roles in ensuring astronaut safety, reducing mission costs, and extending the lifespan of critical infrastructure in space. Countries and agencies such as NASA, ESA, JAXA, and private companies like SpaceX continue to innovate robotic technologies to enable human colonization of other planets. Despite their high cost and technological complexity, space robots are indispensable for advancing science and securing humanity’s future in space. Their continuous evolution promises breakthroughs in interplanetary travel, resource utilization, and possibly even extraterrestrial settlement, making them one of the most transformative technologies in modern history.