Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the first ever discovered orbiting another planet.

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

Wondering what there is to love about Jupiter? The Jovian giant has many reasons that are worthy of your affection, whether you know it or not.

This vibrant image of Saturn highlights its colourful bands and iconic rings. Captured by NASA, it offers a stunning view of the ringed giant.

"The solar wind squished Jupiter's magnetic shield like a giant squash ball. This created a super-hot region that spans half ...

A solar wind event from 2017 that hit Jupiter and compressed its magnetosphere created a hot region spanning half Jupiter's circumference.

Saturn, the sixth planet from the Sun, captivates scientists with its massive size, stunning rings, and diverse moons.

Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the first ever discovered orbiting another planet ... some during what are called “ring-plane crossings”.