This article refers to the Earth as a planet. For the name of the Universe where the events of Young Justice takes place, see Earth-16.
Earth is a planet located in the same solar system as Mars. It is the native home world of the species known as humans, who are called Earthlings by non-natives.
The Earth has a fragmented political system consisting of numerous countries, most of which are members of the United Nations. The planet is protected by a group known as the Justice League, who legally operate under a UN charter.