For decades, Uranus and Neptune have carried the tidy label of “ice giants,” shorthand for worlds built mostly from frozen ...

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter ...

Fresh simulations show there is a chance Uranus and Neptune might actually be rock-rich worlds wrapped in thinner icy layers.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The moon and Saturn will be visible in the eastern sky in the early hours of June 19, with dimmed ...

New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

It's a bit mind-boggling to imagine something as big as the planet Neptune crashing into a similar-sized planet, but astronomers caught this exact scenario, as described in a recent study in the ...

The ice-giant Neptune, the most distant and third largest planet in our solar system, is a distinctive dark blue ball of gas, which may appear calm but is actually throttled by a chaotic atmosphere.

In our Solar System, four planets stand out for their sheer mass and size. Jupiter, Saturn, Uranus and Neptune indeed qualify as “giant planets” because they are larger than any terrestrial planet and ...

Based on new simulations, scientists believe that giant gas planets across the universe can often collide and merge into even bigger gas plants — behemoths called "super-Jupiters." In the cosmic ...