For decades, Uranus and Neptune have been filed neatly into the “ice giant” drawer, shorthand for worlds built mostly from ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

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

Although they are technically gas giants, Uranus and Neptune are referred to as "ice giants" due to their composition.

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 ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

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.

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 ...

Lick Observatory’s Automated Planet Finder (above) and Shane Telescope (below) were used in the California Legacy Survey to conduct an exoplanet census. (Photos by Laurie Hatch) In the neighborhood ...

Images taken by the Hubble Space Telescope document the formation of a Great Dark Spot on Neptune for the first time, report researchers in a new study. Like Jupiter’s Great Red Spot, Neptune’s Great ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...