Can Humans Survive On Mars? NASA says that humans can live on Mars but the process can finish at 2030-2040. But Elon Musk says that thay are planning to send humans to Mars in 2026.There are many problems that we should face to live in mars. They are, Ø Harmful ultraviolet radiations Ø Thin atmosphere Ø Lack of Oxygen Ø Low atmospheric pressure And many more…. Composition Carbon dioxide 95% Nitrogen 2.8% Argon 2% Oxygen 0.174% Carbon monoxide 0.0747% Water vapor 0.03% (variable) Mars The atmosphere of Mars is the layer of gases surrounding Mars. It is primarily composed of carbon dioxide (95%), molecular nitrogen (2.8%) and argon (2%). It also contains trace levels of water vapor, ...