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

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

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 ...

On December 7th, skywatchers are in for a treat asthe Moon will travel across the sky accompanied by the brilliant planet Jupiter in a stunning conjunction. According to NASA’s skywatching tips for ...

Jupiter will be bright through September as it reaches opposition on September 26, when it will be exactly opposite the Sun in our sky. Jupiter and Saturn will be easy to spot Friday night as the Moon ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the nighttime sky. The moon, nearly two nights past first quarter and appearing ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor Europa is thought to harbor a vast global ocean of liquid water beneath ...

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

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

The volcanic hot spot is larger than Lake Superior, spewing eruptions six times the total energy of all of the world's power plants.