Laika, a stray dog from Moscow, became the first living creature to orbit the Earth when she was launched into space aboard Sputnik 2 on November 7, 1957. At the time, Soviet officials reported that she died peacefully after several days in orbit. However, in 2002, scientist Dimitri Malachenkov revealed at the World Space Congress in Houston that Laika had actually died just 5 to 7 hours after launch due to overheating caused by a malfunction in the spacecraft’s thermal regulation system. This revelation exposed the harsh realities of the early space race, where the pursuit of scientific progress often came at great cost. The Soviet Union had already made history in October 1957 with the launch of Sputnik 1, the world’s first artificial satellite. To further assert its dominance in space, the USSR chose to launch Sputnik 2 on November 7, the anniversary of the Russian Revolution, in a highly symbolic move. However, the rush to meet this deadline—only four weeks were given to design the spacecraft—led to critical engineering oversights, including the failure that caused Laika’s death. Laika was selected for the mission not only because of her hardy nature but also because she could be trained to endure the conditions of space travel. Her journey quickly turned her into a symbol of sacrifice and bravery in Soviet propaganda, with her image used to promote the nation’s achievements in space. For nearly 45 years, the true cause of her death remained hidden from the public. In 1998, Oleg Gazenko, a scientist who had personally trained Laika, expressed regret over the mission, stating that it had not yielded enough scientific value to justify the animal’s suffering and death. Sputnik 2 continued to orbit the Earth for several months before re-entering the atmosphere and burning up on April 14, 1958, above the Antilles. Laika’s remains were still aboard the spacecraft at that time. In recognition of her role in space history, a monument was erected in her honor in 2008 near a military research center in Moscow, marking a belated tribute to the first animal to travel beyond Earth’s atmosphere.