A new study reveals how Jupiter’s powerful magnetic field helped its moons survive, while Saturn lost most of its large moons ...

“We observed much lower metallicity than our models predicted for the planet’s bulk composition,” study co-author and ...

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 ...

The two largest planets in our solar system, Jupiter and Saturn, also have the largest satellite systems, or the most moons.

An image of Jupiter in space, a gas planet with stripes of brown, white, red, and orange - Alones/Shutterstock Jupiter is the largest planet in the Solar System, a gas giant so massive in scale that ...

A strange “forbidden” planet spotted by the James Webb Space Telescope is turning planetary science on its head. TOI-5205 b, a Jupiter-sized world orbiting a small, cool star, has an atmosphere ...