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

A pale blue-green enigma, the planet Uranus has long fascinated astronomers precisely because of its extreme distance, some 1.6 billion miles (2.6 billion km) from Earth. While it is comparatively ...

Astronomers have long called Uranus and Neptune the "ice giants" because models suggested that these outer planets' interiors are largely made of mixtures of water, ammonia and other ices — compounds ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests. When you purchase through links on our site, we may earn an affiliate ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Ask anyone what their favorite planet in the solar system is ...

Some of Uranus’ apparent oddities might be due to bad timing. “We just caught it at this freak moment in time,” says Jamie Jasinski, a space plasma physicist at NASA’s Jet Propulsion Laboratory in ...

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.