Astronomers have discovered the strange dance that leads to the creation of rare "double hot Jupiters" in binary star systems ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

Its enormous gravity can suck in and absorb smaller objects — as with the spectacular 1994 collision of Jupiter and Comet Shoemaker-Levy 9 — or propel them out of the solar system entirely.

Something incredibly strange is happening in our cosmic neighborhood: a mysterious gravitational disturbance is hurtling Jupiter toward the Sun. If it sounds like science fiction, that’s because ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct structure. Jupiter's gravity, often called the "architect" of our solar ...

As Io migrates away from Jupiter, its gravity causes a kickback — sort of like how a gun recoils when it's fired — that has contributed to the tilts of the smaller moons.

To get to Jupiter, the Clipper will first fly past Mars on March 1, using the red planet's gravity to boost its speed and bend the trajectory to send the probe back toward Earth for another ...

Jupiter is our solar system's biggest planet by far. It used to be twice as large: Study A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow ...