The bright stars Castor and Pollux will be positioned to the left of the moon in the early morning hours of Aug. 19. Mercury, ...

We already know a decent amount about how planets form, but moon formation is another process entirely, and one we're not as ...

The NASA spacecraft tasked with uncovering the secrets of Jupiter, king of the planets, is running out of time. The Juno ...

Large dark matter particles hitting Jupiter’s largest moon would form distinctive craters in its icy surface, and upcoming ...

Jupiter's police chief is retiring because of a mandatory retirement requirement after serving in the role for one year.