We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these planets be called "rocky giants" instead.

The deep interiors of ice giants such as Uranus and Neptune may contain a previously unknown form of matter, based on new computational research by Carnegie scientists Cong Liu and Ronald Cohen.

Scientists have identified a new "superionic" state of carbon and hydrogen that may exist deep inside Uranus and Neptune.

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to reveal that these planets could just as easily be dominated by rock as by ...

New images released Wednesday from NASA's James Webb Space Telescope are revealing Neptune, and the planet's hard-to-detect rings, in a fresh light. "It has been three decades since we last saw these ...