Essential ingredients for life could be far more widespread than previously thought. Jupiter's moons may have inherited them ...

Add Yahoo as a preferred source to see more of our stories on Google. On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he looked at ...

NASA's Juno spacecraft captured a photo of Jupiter's moon Thebe.

There’s no mistaking Jupiter in the sky these winter evenings, rising in the southeast as evening twilight ends. In fact, you should be able to easily see it long before twilight fades. Jupiter is by ...

When did Jupiter’s Galilean moons first contain the ingredients for life? This is what complementary studies published in The Planetary Science Journal and Monthly Notices of the Royal Astronomical ...

A new international study co-led by Aix-Marseille University and Southwest Research Institute (SwRI) reveals that the striking contrast in the water contents of Jupiter’s Galilean moons was ...

The Galilean moon Callisto disappears behind Jupiter in an occultation early this morning. The catch is that the event is only visible from the western half of the U.S., but observers farther east can ...