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

On Jan. 10, Jupiter will shine at its brightest and largest in 2026, rising at sunset and glowing in the sky until sunrise The gas giant will reach a magnitude of -2.7, making it the fourth brightest ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Exploring Jupiter, the solar system’s largest planet, isn’t just about reaching a distant world it’s about uncovering hidden oceans beneath the icy crusts of moons like Europa, Ganymede, and Callisto ...

Jupiter’s swirling storms have concealed its true makeup for centuries, but a new model is finally peeling back the clouds.

An atmospheric study reveals unexpected findings about our largest neighboring planet and the structure of its deep atmosphere.

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends.