A new finding of ammonia on the icy surface of Jupiter's moon Europa could have important implications for the search for ...

Sky This Week is brought to you in part by Celestron. Friday, February 6The bright star Sirius dominates the southern sky ...

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

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

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

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

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

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

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

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