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.

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 ...

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 ...

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 ...