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

Researchers have uncovered evidence that Uranus and Neptune could be far rockier on the inside than anyone expected.

Recent research suggests that Uranus and Neptune, long classified as “ice giants,” might instead be rock giants.

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

New research shows Uranus’ fierce radiation belts were a short-lived blast from a solar storm, reshaping what Voyager 2 ...

Voyager 2 observed unexpected additional energy at Uranus during its 1986 flyby. This observation confused scientists who did ...

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

Nearly four decades after Voyager 2 skimmed past Uranus, a fresh look at its measurements is reshaping what scientists ...

Saturn's huge moon Titan may not hide an ocean under its frozen surface but rather widespread pockets of liquid water, a new ...

A new study suggests that Uranus and Neptune may not be ice-rich planets after all. Researchers from the University of Zurich propose that these distant worlds could be dominated by rock, challenging ...

Uranus sits far beyond the orbit of Saturn, yet its smallest moons are suddenly at the center of a quiet revolution in outer ...

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