Earth is the third planet from Sun, the star it orbits. Earth is orbited by the Moon. Having been around for billions of years, Earth is the homeworld of its dominant species, the human race. Earth is often the victim of extraterrestrial invasions, which are typically fought by the planet's various superheroes and metahumans, as well as its numerous governments and armies.
- Many of the universes in the Multiverse are named for Earth, such as New Earth and Prime Earth.
- Earth is generally the primary setting for the majority of stories set in the DC Universe.