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

New research suggests Uranus and Neptune may not be true ice giants, with rocky interiors dominating instead, challenging ...

For decades, school posters and science museum displays have grouped Uranus and Neptune together as “ice giants,” a tidy ...

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

The ice giant classification is oversimplified as Uranus and Neptune are still poorly understood,' said experts.

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 ...

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

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...

Hydrogen sulfide, the gas that gives rotten eggs their distinctive odor, permeates the upper atmosphere of the planet Uranus – as has been long debated, but never definitively proven. Based on ...

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

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