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

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

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

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

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

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

Jupiter's fourth-largest moon is a main character in our search for other life-friendly places in our solar system.

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

Jupiter steals the spotlight in January as it reaches its brightest and biggest appearance of the year. The month also features a Moon–Saturn meetup and the steady glow of the Beehive Cluster for ...

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

Looking for a sky event this week? Check out our full Sky This Week column. January 29: Open cluster M50 The Moon passes 4° north of Jupiter at 9 P.M. EST. The pair shares the central regions of ...