Monkeys in space have captivated scientists and the public for decades. From the pioneering flights of Albert I and Albert II to the famous missions of Baker and Able, these courageous primates paved the way for human space exploration. Through careful observation and analysis of their reactions, researchers gained valuable insights into the physiological and psychological effects of space travel. Monkeys, like humans, experienced weightlessness, radiation exposure, and the harsh conditions of space. Their contributions helped engineers design safer spacecraft and develop countermeasures against the negative effects of extended space missions. These findings were crucial for understanding the challenges we face as we venture deeper into the cosmos. Today, monkeys are no longer sent into space, as ethical considerations have led to the use of alternative methods for studying spaceflight, yet their legacy remains an integral part of space exploration history.