Jupiter and Saturn are better to look at through a telescope, but if you could view them up close, they'd appear almost drab compared to the ice giants, which are hues of blue and green. But why blue ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to reveal that these planets could just as easily be dominated by rock as by ...

The ice-giant planet Uranus, which travels around the sun tipped on its side, is a weird and mysterious world. Now, in an unprecedented study spanning two decades, researchers using NASA's Hubble ...