The King of the Planets teams up with an exceedingly narrow crescent moon for the last time this year in the evening sky on ...

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

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...

Jupiter, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to take shape, a pair of astronomers say. Two scientists at Caltech and ...

Astronomers using the James Webb Space Telescope have captured breathtakingly detailed images of two giant exoplanets ...

To work out the size of early Jupiter, scientists studied the tilted orbit of two of the planet's tiny moons, which can remain unchanged for billions of years.