Over four billion years ago, the solar system was a wild and dangerous place. Swirling clouds of dust and gas slowly turned into the planets we know today. One giant, Jupiter, grew quickly and changed ...

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed in the first million years after the Sun was born. Others, including the ...

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 ...

Jupiter was shaping Earth's fate before our planet even existed, carving gaps in the early solar system that kept its building blocks from plunging into the sun, a new study finds. Led by scientists ...

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 ...