Selene and Helios remained neutral during the Titanomachy as long as they got to retain their positions no matter the outcome. For this reason, they were among the few Titans not to be banished to Tartarus.
When the monster Typhon rose to destroy Mount Olympus and the gods, Selene rode into battle with her moon chariot and fought bravely against the storm giant. Ultimately, her attempts were unsuccessful. According to the myths, her wounds in the battle are seen as the craters on the moon to this day.
When western civilization shifted to Rome, the worship of Helios and Selene was neglected. As a result, the Titan twins faded. While Apollo inherited Helios' duties as god of the sun, his sister Artemis in turn received the moon chariot and became goddess of the moon in Selene's absence.
Helios was the first sun god, and Selene was the first moon goddess. Apollo claimed that due to the the Romans neglecting them, Helios and Selene were forced to give up their roles. and pass them on to Apollo and his sister Artemis. Helios and Selene faded, and Artemis and Apollo took their roles as the Moon and Sun respectively.
Unlike her brother Helios, Selene was not as "flashy" and mostly kept to herself as she drove the moon chariot across the sky at night.
- She possessed the standard powers of a Titan.
- Prowess in Battle: Selene bravely fought against Typhon, though - like the other gods - she was ultimately defeated.
- Photokinesis: As the Titaness of the Moon, she had divine authority and absolute control over light.
- Selene is also seen as a goddess of the night, radiance, childbirth and insanity.
- According to some sources, Selene and Endymion were the parents of the famed Narcissus, the very handsome youth who spurned the affections of those who were attracted to him and was cursed to fall in love with his reflection.
- The chemical element selenium is named after her.
- The term "lunacy" was named after her Roman incarnation Luna, since it was thought that a full moon rendered people insane.
- Selene, a species of fish, is named after her.
- In modern times, Selene is the root of "selenology", the study of the geology of the moon.
- The meaning of her name is uncertain but some believe that means "brightness."
- The dog, hen, bull, and rooster were her sacred animals.
- The name of her Roman form, Luna, literally means "moon" in Latin.
- The famous Cleopatra VII named her only daughter after Selene: Cleopatra Selene.
- Selene has a lot in common with Artemis. The only major differences are that Artemis is a goddess and Selene was a Titaness and that Artemis is a virgin goddess while Selene was not. According to Greek Mythology Selene was the mother of three daughters by Zeus; Pandeia, Herse, and Nemea. To Endymion, Selene bore fifty daughters called the Menae symbolizing the fifty lunar months in an Olympiad.