For decades, Uranus and Neptune have been filed neatly into the “ice giant” drawer, shorthand for worlds built mostly from ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

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 ...

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 ...

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

Artist’s concept of a Neptune-sized planet, left, around a blue, A-type star. UC Berkeley astronomers have discovered a hard-to-find gas giant around one of these bright, but short-lived, stars, right ...

Neptune, planet of dreams, drugs, vision, and oblivion, is going retrograde this summer. The mystical planet will slow its roll from July 2 until December 7. Neptune is the planet of fantasy and ...

You don’t really hear about Neptune, do you? Not as often as the other planets, certainly. Space robots regularly provide snapshots of the surface of Mars and the clouds of Jupiter. Mercury is a ...

WASHINGTON — 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 atmospheric ...