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.

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

The ice giants Uranus and Neptune are shrouded in a frosty and swirling atmosphere of largely hydrogen and helium. And neither planet features a solid surface, which complicates our efforts to explore ...

On April 7, Uranus passed in front of a distant star located 400 light-years away, giving NASA scientists a rare cosmic alignment in which to investigate the distant ice giant. During the hour-long ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For the first time, astronomers using data from the Keck II ...

A panel of planetary scientists has determined that Uranus should be a focus for future exploration by NASA. Should the recommendation go ahead, the agency could launch a $4.2 billion orbiter and ...