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 ...

…Except for Mab, which is even weirder than expected. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally published at ...

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 ...