The moon greets Jupiter two days ahead of its full moon phase on Feb. 1.

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

There’s no mistaking Jupiter in the sky these Butler winter evenings, rising in the southeast as evening twilight ends. In ...

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the beginning.

"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources." ...

Mercury, Venus, and Saturn put on an early-evening display in the west, while Jupiter dominates the rest of the night.

"Most excitingly, this new idea addresses one of the longstanding habitability problems on Europa and is a good sign for the ...

NASA has made an exciting discovery on Jupiter’s icy moon, Europa, that could have major implications for the search for life beyond Earth. Scientists have detected ammonia, a chemical crucial for ...

Reanalysis of NASA Galileo data identifies ammonia-bearing compounds on Europa, linking surface fractures, cryovolcanism, and subsurface ocean chemistry relevant to future Europa Clipper ...

February stargazing is so special. Sure it’s cold but the extra special celestial jewels make it worth bundling up for. If you’re not already in the darker countryside, try to get out there. But ...

NASA's Galileo mission launched in 1989 and was operated by the Jet Propulsion Laboratory in Southern California.