Uranus' accidental discovery 240 years ago greatly enhanced our understanding of the solar system, doubling the size of the ...

Saturn’s iconic rings are dissolving due to “ring rain,” as icy particles spiral into the planet. Astronomers predict they ...

Dramatic theories have been proposed to explain the mysterious interiors of Uranus and Neptune, the ice giants of our solar ...

Two teams have separately concluded that Uranus is releasing more internal heat than was indicated in observations by Voyager ...

With the new spottings, Saturn has usurped Jupiter which has 95 known moons, while Uranus (28) and Neptune (16) remain third ...

Faint signatures detected by the Canada France Hawaii Telescope have revealed 128 new moons around Saturn, making it the ...

You thought Saturn's 146 moons were impressive? Think again. The ringed planet's moon count has nearly doubled with the ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Saturn just solidified its title as ‘moon king’ with an updated tally of 274 satellites orbiting the gas giant. The ...

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s ...

Uranus radiates more energy than it gets from the sun, two new studies find — just as Jupiter, Saturn and Neptune do.