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 ...

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

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

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

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

WASHINGTON (Reuters) - Frigid and far-flung Neptune, our solar system's outermost planet, is adding to its reputation as an enigmatic world, with astronomers puzzled by a surprising drop in its ...

While Mercury is the innermost planet in the Solar System, on average it spends more time closer to Earth than Venus does.

Neptune, the eighth planet from the Sun – The Distant Planet. This bright blue orb hanging out near the edge of the solar system has garnered intrigue from sky watchers and scientists alike. Like its ...

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