In memory of all the animals that have been sacrificed in the name of space exploration, this petition aims to bring an end to the inhumane practice of using animals as test subjects in space experiments. Most recently, in 2014, we lost geckos in a heartbreaking experiment, joining a long list of innocent creatures that have perished—dogs, cats, mice, insects, monkeys, and many others, forced into a world they cannot comprehend. Consider Laika, a stray dog from the streets of Moscow, who was promised by fate a loving home but instead was sent to die in the cold void of space. She suffered alone for two hours before passing away, with no plan for her safe return. Could scientists not have offered her a more humane end, instead of allowing her to die frightened and alone? This tragic fate was echoed in many other experiments where animals, terrified and disoriented, were left with no prospect of return. Space exploration is an endeavor suited for humans equipped to understand and value the risks involved, not for defenseless animals subjected to terror and distress. It is time we acknowledged that these sentient beings should not be involved in our quests beyond this world. There are alternative methods, including advanced technologies and willing human participants, that we can employ to further our knowledge of space without sacrificing innocent life. Animal testing for space ventures is not just outdated; it is inhumane and ethically unjustifiable. We appeal to space agencies, governments, and researchers to cease this practice immediately and invest in humane alternatives that respect all life. Let us honor the lives lost by ensuring that no more animals suffer needlessly for the advancement of humanity. Please sign this petition and urge policymakers to safeguard innocent animals from further exploitation in scientific pursuits that do not concern their wellbeing. Together, we can push for a future where science and compassion coexist, where exploration does not come at such a heavy moral cost.