Earth

Earth is the third planet from the sun of the Solar System in the Milky Way galaxy. It is the densest and fifth-largest of the eight planets in the system, and home to Humans.

21st Century
The Star-Forger Device, an alien super weapon from Kyres, eventually landed on Earth in 2020. It was found by Scott Stone in Cobalt City who would use it to become Star-Forger, starting a new age of superheroes.

Future
Thousands of years in the future, Earth starts the O.W.F. and discovers a wormhole which enables time travel.