As the 50th anniversary of manned journey is approaching, the planet Mars is now on the focus of manned space missions. Today, not only the United States (USA) and Russia, but also the space agencies of many countries, even private companies, preparing to send manned and unmanned vehicles to Mars, which is also known as the Red Planet, and to put into practice their plans to form a colony here.
These plans are based on different objectives, and most of the objectives are heatedly discussed by the science world. Discussions continue on the ethical framework as well as on the feasibility of such a journey and colonization. In this analysis, Mars plans of space agencies and companies will be reviewed and the discussions conducted in science world will be mentioned.