For decades, Uranus and Neptune have carried the tidy label of “ice giants,” shorthand for worlds built mostly from frozen ...

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.

This image made from video provided by Durham University astronomy researcher Jacob Kegerreis shows a computer simulation generated by the open-source code SWIFT that depicts an object crashing into ...

NASA scientists have concluded that four of Uranus’ largest moons likely contain an ocean layer between their cores and icy crusts after re-analyzing data from the Voyager spacecraft and new computer ...

Imagine a tiny dusty moon, about one-seventh the size of our planet’s, with polygonal topographical features extending for hundreds of miles, and cliffs taller than any you’d find anywhere on Earth.

They’re running rings around Uranus. New research suggests a moon orbiting the sophomoric-sounding planet might contain enough natural resources to support alien life. Scientists from Johns Hopkins ...

Where might subsurface oceans lie in our solar system beyond moons like Europa and Enceladus? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...

WASHINGTON (AP) — Uranus is a lopsided oddity, the only planet to spin on its side. Scientists now think they know how it got that way: It was pushed over by a rock at least twice as big as Earth.