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 ...

Perhaps it's time to rebrand.

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

The findings provide an answer to a planetary mystery that has bewildered scientists for nearly four decades.

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

New simulations suggest Uranus and Neptune may contain far more rock than ice, offering fresh explanations for their unusual ...

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 ...

The planets Uranus and Neptune could be hiding significantly more rock in their interiors than previously assumed. This new ...

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

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

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