The post New Research Calls Into Question Whether Uranus And Neptune Are Ice Giants After All first on TwistedSifter.

The cold and remote planets originally earned their label of "ice giants" to contrast their interiors from those of Jupiter and Saturn, the so-called "gas giants" rich in hydrogen and helium. Uranus ...

WASHINGTON >> 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.

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 ...

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 ...

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

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.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Uranus’ four largest moons could very likely be home to an ocean ...

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.