New simulations suggest Jupiter holds far more water than once thought, reshaping ideas about how the largest planet formed.

For generations, Jupiter has been shorthand for a straightforward idea: the biggest planet in the Solar System, a gas giant ...

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

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

Nasa's old Galileo data reveals ammonia-bearing compounds on Europa's icy surface near fractured zones.

Jupiter harbors more oxygen than the sun, a new study finds, giving astronomers a crucial clue about how our solar system's planets formed.

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

Baby stars, teenage planets, and disappearing icebergs are all featured this week. Plus, a look back at a New Horizons image ...

Jupiter will make its closest approach to Earth in 59 years on Monday, according to NASA. The largest planet in our solar system, the gas giant will be at opposition, meaning Earth is directly between ...

The NASA spacecraft tasked with uncovering the secrets of Jupiter, king of the planets, is running out of time. The Juno probe has already survived far longer than anticipated—its path around the ...

On Feb. 1, the Snow Moon will rise alongside some of winter's brightest stars after drifting past Jupiter ...