Apr 23, 2021 02:06 AM EDT NASA announced that the Mars Ingenuity helicopter had completed its second groundbreaking flight after making history earlier this week with the first powered flight on another earth. (Photo : NASA) Under its latest Mars rover mission, the space agency said that it had achieved another extraterrestrial first on its new trip to Mars: turning carbon dioxide from the Martian atmosphere into pure, breathable oxygen. Perseverance Mission (Photo : Wikimedia Commons) An experimental robot onboard the Mars Rover Perseverance, a six-wheeled research rover that landed on Mars on Feb. 18 after a seven-month trip from Earth, accomplished the unparalleled retrieval of oxygen from thin air on Mars on Tuesday.