For over 50 years, we thought we knew the size and shape of Jupiter, the solar system's largest planet. Now, Weizmann ...

Jupiter has just been put on a cosmic diet. New measurements led by an Israeli team show that the giant planet’s diameter is about 8 kilometers smaller than long‑standing estimates and that its poles ...

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

For generations, Jupiter has been shorthand for a straightforward idea: the biggest planet in the Solar System, a gas giant that quietly shepherds comets and anchors the outer worlds. That picture is ...

Images captured by two different telescopes are showing our solar system's largest planet in a new light. The Gemini North telescope in Hawaii and the Hubble Space Telescope have captured Jupiter in ...

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 ...

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