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

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

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

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

A team of researchers from the University of Zurich and the NCCR PlanetS is challenging our understanding of the solar system ...

For decades, scientists have believed that Uranus and Neptune are “ice giants,” planets made mostly of icy materials like ...

A flyby of Uranus in 1986 is where we gathered much of our knowledge about the distant ice giant, but new research has found that this may not have been a standard representation of the planet's ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NewsNation) — Stargazers have a chance to ...

WASHINGTON — Stargazers had a chance to see one of our solar system's outermost planets on Monday night: Uranus. The ice giant, which is the planet seventh furthest from the sun, reached opposition on ...