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

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

Look to the east in the hours preceding sunrise on Aug. 20 to see a thin crescent moon rendezvous with Venus and Jupiter to form a celestial triangle in the predawn sky. The 9%-lit waning crescent ...

Jupiter is our solar system's biggest planet by far. It used to be twice as large: Study A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow ...

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

Jupiter and Saturn will be so close today that they will appear to form a "double planet." Such a spectacular great conjunction, as the planetary alignment has come to be known, hasn't occurred in ...