"Aniara" is a science fiction poem written by Swedish author Harry Martinson in 1956. It tells the story of a spaceship, the Aniara, which is carrying passengers from Earth to Mars. After a catastrophic event, the ship is thrown off course, leading to a journey through space that explores themes of existentialism and the human condition. The poem is notable for its rich imagery and philosophical depth, reflecting on humanity's relationship with technology and nature. It has been adapted into various forms, including a 2019 film, further expanding its reach and impact in popular culture.