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

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 ...

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

There are 79 known moons of Jupiter. What if we move Earth into its orbit too? How would Jupiter's super-strong gravity affect our lives? What would our skies look like? How long could you survive on ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

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.

Turn a telescope to the eastern sky in the hours following midnight on Nov. 5 to see two colossal shadows darken the cloud tops of the gas giant Jupiter as the Galilean moons Io and Europa pass ...

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." ...

A group of astronomers from the Carnagie Institution for Science announced on Monday that they discovered 12 previously undiscovered moons orbiting Jupiter, including one the institution is calling an ...

February stargazing is so special in Pottsville. 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 ...