Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery. Scientists have long debated whether these giants were violently flung ...

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 ...

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

The solar system’s most giant planet is slightly less of a giant than scientists once thought. Jupiter, a world that is so ...