Mars

The 4th planet in the Sol system and the first to be colonized by humanity.

Geography
Mars is known as the Red Planet and for a reason, it's vast surface is comprised of red/orange soil. Vast deserts of ice cover the polar regions which provide Martians with an ample supply of water as well as underground with lakes of ice and water.

Biology
Though the surface of Mars is completely sterile, beneath the surface where temperatures are adequate underground lakes house microorganisms and basic aquatic life. The very first evidence of extra terrestrial life.

History
In the early 3rd millennium, Mars was colonized by Earth corporations seeking out resources and a new home after Earth was becoming uninhabitable. Building domed cities and underground cities on the surface of the planet.

Mars territory is controlled by several nations, with large satellite states being split among the main superpowers consisting of the United States, Russia, and Chin with smaller nations controlling small plots of land in between. The Sol Treaty disallows conflict in order to gain territory on other planets and also seeks to impose heavy laws to prevent entire nations from owning a planet.

Arkangel Corporation has the most technologically advanced nation on the planet boasting superior firepower and technology that keeps the other nations at bay from attacking them. Arkangel consider themselves as the true owners of Mars, having first settled in 2193