Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet's mysterious interior, ...

Jupiter is the largest planet in our Solar System and the fifth planet from the Sun. It is a massive gas giant made mostly of hydrogen and helium, the same elements that form stars.

By Will Dunham WASHINGTON, Feb 4 (Reuters) - Jupiter, without a doubt, is the biggest planet in our solar system. But it ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

Jupiter is the largest planet in our solar system (so large, in fact, that some scientists think it might have even consumed other worlds), a gas giant so massive that it shaped the orbits and ...

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.